In pointers dogs, the Punnett square for tail length is below (gene A). Use the Punnett Square below to determine the possible offspring from a cross between two heterozygotes.
F1
A1 A2
A1 A1 A1 A1 A2
Never born Bow-tie tails
A2 A1 A2 A2 A2
Bow-tie tails Long tails
a. In terms of tail length what kind of inheritance does this gene show?
b. In terms of survival what kind of inheritance does this gene show?
Answers
Answer:
a) Autosomal dominant inheritance ⇒ The presence of at least one A1 allele is enough to express Bow-tie tails.
b) Autosomal recessive inheritance ⇒ The presence of at least one recessive allele A2 is enough for individuals to survive.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Related Questions
what is geological substratum
Answers
Answer:
Explanation:
Geological substratum refers to the solid rock or layer of Earth's crust that lies beneath the soil, sediment, or other surface materials.
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Which part of the circulatory system is responsible for carrying oxygen to cells and tissues?
plasma
venule
erythrocyte
leukocyte
Answers
Answer:
Erythrocyte
Explanation:
Erythrocytes, or otherwise called, red-blood cells are responsible for transporting oxygen and carbon dioxide to and from the cells and tissues. The reason for this is because of a protein called hemoglobin. The hemoglobin found in erythrocytes allow for transportation of oxygen + CO2 to and from cells.
The circulatory system is responsible for carrying oxygen to cells and tissues is erythrocyte. Thus, option "C" is correct.
What is Erythrocytes?Erythrocytes are also called, red-blood cells are responsible for transporting oxygen and carbon dioxide to and from the cells and tissues. The reason for this is because of a protein called hemoglobin.
The hemoglobin found in erythrocytes allow for transportation of oxygen + CO2 to and from cells.
Thus, option "C" is correct.
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Can somebody say to me which cells can generate action potential and which cells can generate only electrotonic potential? And is there cells that cannot even change their potential?
Answers
Answer:
An action potential is defined as a sudden, fast, transitory, and propagating change of the resting membrane potential. Only neurons and muscle cells are capable of generating an action potential; that property is called the excitability.
Explanation:
Define photosynthesis, cellular respiration,
autotroph, heterotroph, herbivore, carnivore,
omnivore
Answers
Answer: Omnivore is an animal that eats both plants and animals.
Carnivore is an animal that eats only meat. Herbivore is an animal that eats only plants.
Heterotroph is an organism deriving its nutritional requirements from complex organic substances.
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Autotroph is an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.
Explanation: Sorry they’re out of order in accordance to how you had them.
How does climate change affect Aquatic and Terrestrial factors?
Answers
Climate change can have significant impacts on both aquatic and terrestrial ecosystems, and these impacts can have far-reaching consequences for plants, animals, and people that depend on these ecosystems.
How climate change affects the aquatic and terrestrial factors?Climate change can have significant impacts on both aquatic and terrestrial factors. Following are some examples of how climate change can affect these factors:
Aquatic Factors: Climate change can affect aquatic ecosystems in a variety of ways. For example, rising temperatures can cause changes in timing and intensity of spring snowmelt, leading to changes in river flows and water temperatures.
Terrestrial Factors: Climate change can also affect terrestrial ecosystems in a variety of ways. For example, rising temperatures can cause changes in precipitation patterns, leading to changes in vegetation growth and distribution.
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3. Attached earlobes is a recessive trait. If a woman with attached
earlobes has a child with a man with detached earlobes whose mother
has attached earlobes, what is the probability their child will have
detached earlobes? *
Answers
Answer:
It would be a 50% chance
Explanation:
D. R.
R. R
Epistasis is observed when the allele of one gene masks the effects of another gene. Use the Punnett square to answer the question.
What color would a dog's fur be if its genes are aabb? (10 points)
A. yellow
B. brown
C. black
D. white
Answers
Answer:
The color of a dog's fur with the genes aabb would be yellow. So, in other words, Option A is correct.
Hope this helped :D Happy holidays! :D
Epistasis is the effect or character appear due to the interaction between genes. Here, the alleles responsible for the color of dog's fur show epistasis and the progeny with (aabb) genotype will show white colored fur. Thus, the correct option is D.
What is Epistasis?
Epistasis is also known as gene masking, where the expression of one gene is modified or masked or suppressed by the expression of another gene or more other genes. In this, more than one gene controls a specific character such as fur color, etc.
Epistasis is of different types such as dominant epistasis, recessive epistasis depending upon the effect of genes.
Here, the progenies with AABB genotype show black colored fur, the progeny with Aabb show brown colored fur, the progeny with genotype aaBB show yellow colored fur, and therefore, the progeny with genotype aabb i.e., both the recessive genes will show white colored dog fur.
Therefore, the correct option is D.
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Cells divide at all different rates. The fastest bacteria can divide every 20 minutes. No wonder you can feel sick with food poisoning within hours of eating food! On the other hand, some nerve cells in your body do not divide much at all. The nerve cells in a 100-year old person could be close to 100 years old. Match the examples of cell division with the correct type of cell division. Write Mi for mitosis, and Me for meiosis. A plant produces pollen cells with half the chromosomes of the parent cells. A bacterium divides to make two identical daughter cells. A skin cell divides rapidly to replace tissue damaged by a scrape. A cell duplicates its genetic material once and then divides twice to make 4 daughter cells.
Answers
A plant produces pollen cells with half the chromosomes of the parent cells: Meiosis (Me)
A bacterium divides to make two identical daughter cells: Mitosis (Mi)
A skin cell divides rapidly to replace tissue damaged by a scrape: Mitosis (Mi)
A cell duplicates its genetic material once and then divides twice to make 4 daughter cells: Meiosis (Me)
What are mitosis and meiosis?
Most cells in the body split only once during the process of mitosis, which results in the production of two identical, diploid daughter cells.
Meiosis is a form of cell division in which gametes are created during a process. Four non-identical haploid daughter cells are produced after two cycles of cell division during meiosis.
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A
В
с
Which container has the least concentration of solutes?
O A
OB
О с
OD
Answers
Answer:
c
Explanation:
its c i took the test
If illegal hunting of oxpeckers increases in 2012 and causes a decrease in oxpecker numbers, what will most likely happen to
rhinoceros populations?
Answers
a decline in oxpecker numbers is probably going to be bad for rhinoceros populations.
Oxpecker numbers are projected to decline as a result of increased unlawful hunting, which will have a negative impact on rhinoceros populations.
The ticks and parasites that live on the skin of rhinoceroses and other large mammals provide the food source for oxpeckers, which are birds. By keeping the animals free of parasites and warning them of imminent danger, they offer an important service.
The number of ticks and other parasites on rhinoceroses may increase if oxpecker populations drop as a result of hunting, which could result in health issues and lower survival rates. In addition, rhinoceroses might be more susceptible to predators and other dangers without oxpeckers to provide warning sounds. So, a decline in oxpecker numbers is probably going to be bad for rhinoceros populations.
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What would be the most likely result if humans stopped burning fossil fuels?
A. Greenhouse gases levels would decrease
B. The polar ice caps would melt more quickly
C. There would be less oxygen in the atmosphere
D. Global warming would increase
Answers
Answer:
A. Greenhouse gases levels would decrease.
Explanation:
Hope this helps!
Answer:
A. Greenhouse gases levels would decrease
Explanation:
Burning fossil fuels like coal, oil and natural gas for energy releases greenhouse gases like carbon dioxide and methane into the atmosphere. These greenhouse gases contribute to global warming by trapping heat in the atmosphere. If humans stopped burning fossil fuels, it would dramatically reduce the amount of new greenhouse gases being emitted. This would allow atmospheric greenhouse gas levels to gradually decrease over time as natural processes absorbed some of the excess gases.
The other answers are not likely results:
B. The polar ice caps would melt more quickly - Stopping fossil fuel combustion would actually help slow the melting of polar ice caps by reducing global warming.
C. There would be less oxygen in the atmosphere - Fossil fuel combustion does not significantly impact atmospheric oxygen levels.
D. Global warming would increase - Ending fossil fuel use would lead to less global warming in the long run by reducing greenhouse gas emissions.
So in summary, the most immediate and likely result of humans stopping fossil fuel combustion would be decreasing levels of greenhouse gases in the atmosphere, as option A states. This would then help slow climate change impacts like polar ice melting.
The diagram below gives information about carbon dioxide and oxygen in the atmosphere. Where is the name of the process represented in this diagram that produces the oxygen
Answers
What is the main function of nutrients? A.helps maintain body temperature
B. keep out unwanted microorganism. C. aids in the growth and development D. helps breakdown fats
Answers
Answer:
Option C
Explanation:
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The Arizona poppy has adapted to living in areas that receive less rain, but there are still periods of time that a drought occurs. What part(s) of photosynthesis would the plant not be able to perform if there is no rain? What would be the long-term effects on the plant if the drought were to continue? Explain your answer.
Answers
If there is no rain, the Arizona poppy would not be able to perform the light-dependent reactions of photosynthesis.
What are the stages of photosynthesis?Photosynthesis is a process that involves two main stages: light-dependent reactions and light-independent reactions.
Water is required in the light-dependent reactions to provide the electrons that are needed to generate ATP and NADPH, which are then used in the light-independent reactions to produce glucose.
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Residual parent material refers to the *weathered rock* and *soil* that remains in its place of origin, while *transported parent material* is material that has been carried and deposited by natural agents such as water, wind, or glaciers.
The impact of these different types of parent material on *soil formation* can be significant. Residual parent material tends to contribute to the formation of soils with characteristics similar to the parent rock. The weathering process breaks down the rock into smaller particles, allowing for the development of soil horizons and the release of minerals that influence soil fertility. In contrast, transported parent material can introduce a diverse range of materials to a given area, leading to variations in soil composition, texture, and fertility. The transportation process can mix different types of sediment, resulting in the formation of heterogeneous soils with varying properties.
Answers
Residual parent material is the rock and soil that is still located in its original location and is weathered. Transported parent material is material that is carried and deposited by natural agents such as water, wind, or glaciers. The effect of these different types of parent material on soil formation can be significant.
Residual parent material usually contributes to the development of soils with qualities similar to the parent rock. The breakdown of rock into smaller particles through weathering enables the formation of soil horizons and the release of minerals that influence soil fertility.
The physical and chemical characteristics of soils derived from this form of parent material are often similar and homogeneous, allowing for predictable fertility and properties. Transported parent material, on the other hand, can introduce a diverse range of materials to a given area, resulting in variations in soil composition, texture, and fertility.
The transportation process can blend different types of sediment, resulting in the formation of heterogeneous soils with different characteristics. Transported parent material can also be exposed to weathering processes, altering its original composition and resulting in soils with varying degrees of fertility.
While transported parent material can increase the diversity of soil properties in an area, it can also make it difficult to predict soil characteristics, particularly in areas where different types of sediment have been deposited. The relationship between parent material and soil development is complex, with both the initial characteristics of the material and the surrounding environment influencing soil properties.
In general, residual parent material contributes to the development of homogeneous soils with predictable properties, while transported parent material can result in more diverse and heterogeneous soils.
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Insects can show three types of development. One of them, holometaboly (complete development), consists of the stages of egg, larva, pupa and sexually mature adult, which occupy different habitats. Insects with holometaboly belong to the most numerous orders in terms of known species. This type of development is related to a greater number of species due to the a) protection in the pupa stage, favoring the survival of fertile adults. b) production of many eggs, larvae and pupae, increasing the number of adults. c) exploration of different niches, avoiding competition between life stages. d) food intake at all stages of life, ensuring the emergence of adults. e) use of the same food in all stages, optimizing the body's nutrition.
Answers
Answer:
Three major types of insect development: a) Ametabolous development typified by the silverfish, b) Hemimetabolous development typified by the cockroach; in some hemimetabola such as termites and grasshoppers there may be more than one stage with wing pads that could be called nymphal; c) Holometabolous development
The correct answer is option C) exploration of different niches, avoiding competition between life stages.
Each phase of development presents a different habitat and niche, which prevents competition between species, that is, intraspecific competition. In this way, the effectiveness of the animal within its environment is increased, as well as its adaptation to the environment.
The other alternatives highlight stages of development that exist, but are not related to the increase in the number of species or to the justification presented.
8. An elevated ridge is located in the Indian Ocean. In the middle of the ridge underwater volcanoes and mild
earthquakes occur. Continents on one side of the ridge are moving away from continents on the other side of
the ridge. Which of the following best describes the tectonic activity occurring along the ridge?
A. Two ocean plates are sliding past each other.
B. An ocean plate is subducting under another ocean plate.
Two ocean plates are moving away from each other (diverging).
Ď. Two continental plates are moving away from each other (diverging).
Answers
Answer:
A
Explanation:
This is for psychology
Scientific theories
a) are educated guesses about natural phenomenon.
b) are tentative explanations for behavior.
c) are supported by evidence.
d) are based on beliefs.
Answers
In psychology, scientific theories are used to explain and understand behavior and mental processes.
What is the psychology scientific theories?Option c) are supported by evidence is the correct answer.Scientific theories are explanations for natural phenomena that are supported by evidence.These theories are based on research and evidence collected through scientific methods such as experiments, surveys, and observations. Some examples of psychological theories include cognitive theory, which explains how people process and store information, and behaviorism, which focuses on how behavior is learned through reinforcement and punishment. This means that they are not just guesses or beliefs, but are based on data and research that has been collected and analyzed. These theories are also subject to testing and experimentation, which allows for them to be refined or even disproved if new evidence arises. Additionally, scientific theories are also subject to peer review, which means that other scientists in the field review and evaluate the research and evidence supporting the theory. This process helps to ensure that theories are accurate and reliable, and that they can be used to make predictions and guide further research.To learn more about psychology scientific theories refer to:
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A group of archaic mammals that at times are referred to as mammal-like primates characterized by claws instead of nails, no postorbital bar, arboreal quadrupeds, and best known from Montana and lived during the geologic Paleocene Epoch are referred to as:
Answers
Which of the following terms describes the tendency of plant stems and flowers to turn toward sunlight?
geotropism
chemotropism
gravitropism
phototropism
Answers
Answer:
phototropism
Explanation:
The term that describes the tendency of plant stems and flowers to turn toward sunlight is phototropism.
Answer: The correct answer is phototropism
Explanation: This answer has been confirmed correct.
Phototropism is the tendency of plants to turn toward sunlight.
A pea plant's seed shape is round. What can be said about this trait?
A. It is a recessive trait.
B. It is the phenotype.
C. It is the genotype.
D. It is a hybrid.
Answers
Answer: A. It is a recessive trait.
Explanation: In pea plants, seed shape and seed color are controlled by genes located on different chromosomes. Seeds may be round (R) or wrinkled (r), with the allele for round seeds being dominant. The student is asked to predict the offsprings' pea shapes (both round and wrinkled; all round; all wrinkled; or can't predict). Because the allele that produces wrinkled peas is recessive, the offspring of this cross will all have wrinkled peas.
Answer:
A
Explanation:
Why does the enzyme trypsin get deactivated when introduced in the gastric juice of the stomach?
A.
The optimum pH for trypsin is about 8.0, which is the pH of the intestine, whereas the pH of gastric juice is 1.5 - 2.0, which is highly acidic.
B.
The optimum pH for trypsin is about 2.0, which is the pH of the intestine, whereas the pH of gastric juice is 8.0, which is highly alkaline.
C.
The optimum temperature for trypsin is about 98.6°F (37°C), which is the temperature of the intestine; whereas the temperature of gastric juice is 392 - 482°F (200°C - 250°C).
Answers
The enzyme trypsin get deactivated when introduced in the gastric juice of the stomach because A. The optimum pH for trypsin is about 8.0, which is the pH of the intestine, whereas the pH of gastric juice is 1.5 - 2.0, which is highly acidic.
What is trypsin?Trypsin is a peptidase enzyme that is responsible for protein hydrolysis to form smaller peptides and amino acids. This enzyme is produced in the pancreas and is secreted in the duodenum to be an important part of digestion. The enzyme is secreted in its inactive form and after it reaches the duodenum it is activated by enteropeptidases.
Being active, it will carry out its function by hydrolyzing peptide bonds, making them smaller, thus making it possible for them to be absorbed by the intestine membrane.
Therefore, we can confirm tha the enzyme trypsin get deactivated when introduced in the gastric juice of the stomach because A. The optimum pH for trypsin is about 8.0, which is the pH of the intestine, whereas the pH of gastric juice is 1.5 - 2.0, which is highly acidic.
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Which of the following statements about cell organelles is NOT true?
A. Chloroplasts contain chlorophyll and are the site of photosynthesis.
B. Many of the same organelles are located in both plant cells and animal cells.
C. The nucleus in an animal cell has a different primary function than in a plant
cell
D. The endoplasmic reticulum has several roles, including packaging and
transporting proteins.
Answers
Answer:
A
Explanation:
Answer: A
Explanation:
Question 16 of 25
What is gene flow?
A. Two populations transferring genes
OB. When a population splits in two
OC. Selection for extreme traits
OD. A mutation becoming more common
SUMIT
Answers
A. Two populations transferring genes is gene flow
What alters two populations due to gene flow?Gene flow has the effect of reducing genetic diversity among populations, inhibiting or delaying the development of populations in various geographic locations into distinct species of the disease.
The frequencies of alleles will fluctuate as a result of gene flow, the transfer of alleles caused by the movement of people or gametes across populations. Evolutionary change, which is frequent in natural populations, comes from deviation from any of these requirements.
Gene flow increases genetic variation when there is a continuum of alleles in the same way that a source of small-effect mutations would.
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The structure composed of a sheet of simple squamous epithelial cells that's folded onto itself to form a double layer is a
Answers
Answer:
This question lacks options, the options are;
A. parietal layer.
B. serous membrane.
C. nuclear membrane.
D. mucous membrane.
The answer is B
Explanation:
The serous membrane is a covering membrane found in living systems. The serous membrane covers the surfaces of certain structures in the body such as heart, lungs etc. where they secrete lubricants that reduce friction during movement.
The structure of the serous membrane is composed of a sheet of simple squamous epithelial cells (secretes the lubricants) that folds onto itself to form a double layer. The layers are joined by a connective tissue.
Which deep-water body is a unique feature of the Southern Ocean? The ________ water is a saline, cold, and dense body of water lying deep in the Southern Ocean, traveling northward.
Answers
Answer: the antarctica explanation: the bottem part of the antartica.
Explanation:
the antarctica explanation: the bottom part of the antartica i belive
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Three modern trends—technological advances, offshoring, and the gig economy—are presenting challenges to unions. Give at least one specific example for how each is affecting union membership.
Answers
Technological advances: Technological advances such as mechanization, fake insights, and mechanical autonomy have driven to work uprooting and changes in work prerequisites. This could make it troublesome for unions to organize laborers, as the workforce gets to be more divided and laborers are frequently more topographically scattered. For illustration, the rise of e-commerce has driven to the closure of numerous brick-and-mortar stores, coming about in work misfortunes for unionized retail specialists.
How can modern trends affect union membership?Offshoring: Offshoring alludes to the hone of moving occupations to other countries where labor costs are lower. This will make it troublesome for unions to organize specialists in businesses that are intensely influenced by offshoring, such as fabricating. For illustration, the decrease of the U.S. material industry is frequently ascribed to the offshoring of occupations to nations like China and India, where labor is cheaper.
The gig economy: The gig economy is characterized by short-term, contract, or independent work instead of changeless business. This sort of work can be troublesome to unionize, as specialists are frequently classified as autonomous contractors instead of representatives, which suggests they are not secured by conventional labor laws. For case, gig economy companies like Uber and Lyft have been at the center of legitimate debate over whether their drivers ought to be classified as workers or free temporary workers.
In general, these patterns are showing challenges to unions by making it harder to organize specialists, keep up participation, and advocate for specialist rights. Unions will ought to adjust to these changes in arrange to stay pertinent and compelling in securing the interface of laborers within the advanced economy.
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To observe a small, living organism, a scientist might use a(an)
Answers
why might the nucleus be referred to as the brain of the cell
Answers
Answer:
The nucleus is called the "brain" of the cell because it holds the information needed to conduct most of the cell's functions. Other molecules make proteins from that information on a regular basis - each moment of our lives
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Please help me with this to fill in the black correct answers. This is specifically anatomy and physiology science
1. The reproductive system has both endocrine and exocrine functions. The exocrine function is stimulated by this hormone produced in the anterior pituitary______ and produces this in the female _____.
2. The endocrine function is stimulated by this hormone in the anterior pituitary_____ and produces this in the female_____
3. The reproductive system has both endocrine and exocrine functions. The exocrine function is stimulated by this hormone produced in the anterior pituitary______ and produces this in the male____
4. The endocrine functions is stimulated by this hormone in the anterior pituitary _____ and produces this in the male_____
Answers
1. The exocrine function is stimulated by this hormone produced in the anterior pituitary: follicle-stimulating hormone (FSH), and produces ova (eggs) in the female.
2. The endocrine function is stimulated by this hormone in the anterior pituitary: luteinizing hormone (LH), and produces estrogen and progesterone in the female.
3. The exocrine function is stimulated by this hormone produced in the anterior pituitary: luteinizing hormone (LH), and produces sperm in the male.
4. The endocrine function is stimulated by this hormone in the anterior pituitary: follicle-stimulating hormone (FSH), and produces testosterone in the male.
1. The exocrine function of the reproductive system in females is stimulated by the hormone produced in the anterior pituitary called follicle-stimulating hormone (FSH), which promotes the production of ovarian follicles. The exocrine product in females refers to the release of eggs or oocytes from the ovaries during ovulation.
2. The endocrine function of the reproductive system in females is stimulated by the hormone luteinizing hormone (LH) produced in the anterior pituitary. LH triggers the release of estrogen and progesterone from the ovaries, which regulate the menstrual cycle, promote the development of the uterine lining, and prepare the body for pregnancy.
3. The exocrine function of the reproductive system in males is stimulated by the hormone produced in the anterior pituitary called luteinizing hormone (LH), which stimulates the production of testosterone in the testes. Testosterone is the primary male sex hormone and is responsible for the development of male reproductive organs and secondary sexual characteristics.
4. The endocrine function of the reproductive system in males is stimulated by the hormone follicle-stimulating hormone (FSH) produced in the anterior pituitary. FSH promotes the production of sperm cells (spermatogenesis) in the testes.
Overall, the reproductive system has both endocrine and exocrine functions, with the anterior pituitary gland playing a crucial role in regulating these functions through the production of specific hormones.
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