what happens if the dividing zygote accidentally separates into two
Answers
If the dividing zygote accidentally separates into two, it results in the development of identical twins.
The fertilized egg or zygote divides mitotically to give rise to two daughter cells that are genetically identical to each other. These cells, in turn, divide again to form four cells, then eight, and so on, ultimately resulting in the development of an embryo. If this process is disrupted and the dividing zygote accidentally separates into two, it can lead to the development of identical twins . In identical twins, each twin arises from a single fertilized egg that splits into two identical cells during early development. These cells, in turn, develop into two separate embryos with identical genetic information. Identical twins share the same DNA , physical characteristics, and often many personality traits as well.
Identical twins, also known as monozygotic twins, are produced when a single egg is fertilised by a single sperm, resulting in the fertilised egg dividing into two. Identical twins always have the same sex and have the same DNA. Contrarily, fraternal (dizygotic) twins arise when two distinct eggs are fertilised by two various sperm during the same pregnancy. Like other siblings, they share 50% of their genes. Fraternal twins might not share the same sex or look alike.
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Related Questions
Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.
Answers
Answer:
Explanation:
The descriptions provided in the question can each be placed into its corresponding Stage of Sleep, like so...
Stage 1
- Alpha waves dominate
- Feeling a drifting sensation
Stage 2
- Light sleep
- Sleep spindles occur
- Beginning of decline in respiration and blood pressure
Stage 3
- Typically begins about 20 minutes after stage 1
Stage 4
- Vital signs are at their lowest levels
- Delta waves dominate
PLZ HELP NEED AN ANSWER ASAP
A red snapdragon flower is crossed with a white snapdragon flower and the offspring are all pink. The pink phenotype is a result of -
A. codominance
B. incomplete dominance,
C. multiple alleles
D. polygenic inheritance.
Answers
Explanation:
Incomplete dominance is an example of a non-mendelian trait (doesn't follow the genetic rules established by Gregor Mendel). When two parents mate and produce offspring, the offspring is a blend of the two parents. So, a red flower and a white flower would make a pink flower.
The sequence of bases on one strand of a
DNA molecule is AGCCTAG.
After replication
of the strand of DNA, what is the sequence of
nitrogen bases on the complementary strand?
Answers
The sequence of bases on the complementary strand of DNA after replication would be D. TCGGATC.
During DNA replication, the two strands of the double helix are separated, and each serves as a template for the synthesis of a new complementary strand. Enzymes called DNA polymerases add nucleotides to the 3’ end of the growing strand, which are complementary to the template strand. As a result, the newly synthesized strands are complementary to the original strands, with the base pairing rules ensuring the fidelity of the replication process.
Understanding DNA replication and complementary base pairing is essential in fields such as genetics and biotechnology, as it allows scientists to manipulate and engineer DNA sequences with precision.
Therefore, the correct option is D. TCGGATC.
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How is dna similar to a fingerprint
Answers
Answer:
DNA fingerprinting is what makes you what you look like. In the genome to produce a pattern unique to an individual. This is a (DNA) fingerprint. ... Just like your actual fingerprint, your DNA fingerprint is something you are born with, it is unique to you.
Explanation:
Human have been on an exponential growth curve since the:
A. Ice Age
B. Industrial Revolution
C. Renaissance
Answers
Answer:
B. Industrial Revolution
Explanation:
Industrial Revolution brought technology that made producing things far simpler. Therefore, humans got more things to grow with.
Solar system, please help me!
Answers
2. Ptolemy did his best given the idea that earth was the center of the universe,but Copernicus came up with a more simpler model by abandoning that assumption. People had to agree that the sun was the center of the solar system before they could be Copernicus was correct.
3.Ptolemy believe that the planets, the sun , the moon, and the starts all orbited the earth. The earth, in the heart of the universe remained stilled .
What is the meaning of inland?
Answers
Not on the oustide/coast. Inside a country.
I don’t know what i’m doing HELP❗️❗️❗️
Answers
Answer: The correct statement that describes a difference between prokaryotic cells and eukaryotic cells is B. Eukaryotic cells contain more specialized organelles.
Explanation:
Prokaryotic cells lack a membrane-enclosed nucleus (option A) and are generally smaller in size compared to eukaryotic cells (option C). Both prokaryotic and eukaryotic cells contain DNA that codes for proteins (option D). However, eukaryotic cells have a more complex internal structure with specialized membrane-bound organelles, such as mitochondria, endoplasmic reticulum, Golgi apparatus, and others, which prokaryotic cells lack
An organelle that releases energy for metabolic activity in a nerve cell is the...?
Answers
Answer:
Mitochondria
Explanation:
Mitochondria is an organelle that creates energy in the form of ATP in all living cells.
Measles is a viral disease. Symptoms of a measles infection include a fever, a runny nose, and a rash. The replication process used by the measles virus results in the rapid destruction of the infected cell. This process is known as
А. the lytic cycle
B. mitosis
C. binary fission
D. the lysogenic cycle
Answers
Awnser is A: The lytic cycle.
The replication process used by the measles virus results in the rapid destruction of the infected cell. This process is known as lytic cycle. Therefore, option (A) is correct.
What do you mean by lytic cycle?One of the two cycles of viral reproduction is the lytic cycle; the other is the lysogenic cycle. The infected cell and its membrane are destroyed during the lytic cycle.
In a lytic cycle, the virus inserts its genome into a host cell and initiates replication by taking over the host cell's machinery to produce new viruses. The newly assembled and replicated virus particles are released into the surrounding waters by lysis of the host cell after infection is complete.
The process of lysis, during which a virus infects a cell, replicates, and bursts through the cell membrane, is the origin of the term "lytic cycle."
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which stage controls the development of a community?
nudation
competition
ecesis
reaction
Answers
Answer:
Competition
Explanation:
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Which type of bond joins the COOH group of one molecule to the NH2 of another molecule?
Answers
Answer:
Peptide bonds
What are peptide bonds?A covalent bond formed by joining the carboxyl group of one amino acid to the amino group of another, with the removal of a molecule of water.
Peptide bonds are simply amide functional groups that link the amino acids in a protein.
A peptide possesses the covalent bonds which are formed by the reaction of carboxyl group of one amino acid with the amino groups other amino acids.
What is the bond that forms between two amino acids?A PEPTIDE bond will connect two amino acids to produce a molecule known as a dipeptide.
Each amino acid has one Carboxyl group (-COOH), one Amine group (-NH2), one hydrogen atom, and one variation (R) group connected to a primary carbon atom known as the alpha carbon. A dipeptide bond is created when the OH from one amino acid's carboxyl group reacts with one hydrogen (H) from another amino acid's amine group. Because a water molecule is eliminated during this event, it is classified as a hydrolysis reaction.
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How did the environmental change between time 1 and 2? How did the population change?
a. The water became warm. As a result, ducks with thin feathers were more likely to
survive, so the ducks with thick feathers changed to have thin feathers.
b.
The water became warm. As a result, ducks with thin feathers were more likely to
survive, so both kinds of ducks passed on the gene for thin feathers to their
offspring.
orciseb
c.
The water became warm. With each generation, more ducks with thin feathers
survived long enough to pass on the gene for thin feathers to their offspring.
d. You cannot tell how the environment changed. With each generation, more
ducks passed on the gene for thin feathers to their offspring.
4. There is a kind of snake that can be born with red, yellow, or green skin. Eagles hunt these
snakes, but snakes that are the same color as their environment are harder for the eagles to see
and catch.
Answers
In this case, environmental change is not mentioned. Because of the superior survival rates of these individuals, populations of snake species can evolve over time to have a higher proportion of snakes with colors similar to their surroundings.
Any modification to the physical, chemical, or biological components of an ecosystem that has an impact on the existence, development, and behavior of living things is called environmental change. Along with natural environmental changes, human activities such as pollution, climate change, deforestation, habitat destruction and overuse of natural resources are also possible.
So, the correct option is A.
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I'm giving 15 points plz help
How is Collagen different from Keratin?
Answers
Explanation:
keratin is found making up much of the skin, hair and nails if the body. collagen is a protein that is made of fibroblast cells.
1. List and describe the two major anatomical divisions
of the Nervous System. For each division, write the name of the division and one of its primary functions.
Division 1:
Function:
Division 2:
Function:
2. Describe the steps of a complete reflex arc. Use the correct names of the two nervous pathways in your response (one going towards, one going away from the CNS), the three types of nerves and describe where each of the three essential functions of the nervous system occur.
Can someone help me right now please
Answers
The two major anatomical divisions of the nervous system are the central nervous system (CNS) and the peripheral nervous system (PNS).
Five components make up a reflex arc and they are:
Sensory receptor.Sensory neuron.Integration center.Motor neuron.Effector targetWhat are the anatomical divisions of the nervous system?The two major anatomical divisions of the nervous system are the central nervous system (CNS) and the peripheral nervous system (PNS).
Central Nervous System (CNS): The CNS is composed of the brain and spinal cord, which are responsible for processing and integrating sensory information, and sending motor commands to the rest of the body.Peripheral Nervous System (PNS): The PNS is composed of all the neural structures that lie outside of the brain and spinal cord, including nerves, ganglia, and sensory receptors. The PNS is responsible for collecting and transmitting sensory information from the body to the CNS, and sending motor commands from the CNS to the muscles and glands. The PNS is further divided into two major subdivisions: the somatic nervous system and the autonomic nervous system.Learn more about the nervous system at: https://brainly.com/question/26348097
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Reflecting telescopes use mirrors as well as lenses.
Please select the best answer from the choices provided
T
F
( T )
Answers
Answer:
answer og this question is False
Explanation:
because reflecting telescopes uses only mirror instead of lenses because it is reflecting one
Below shows a process that occurs in cells. The type of building blocks represented by the letters A, B, and C in this process are:
A: Nucleotides
B: Codons
C: Amino Acids
D: Nitrogen bases
Answers
Proteins consist of strands of amino acids, which is produced in the ribosomes of the cell.
Which scientist would agree with this statement: Giraffes all had short necks originally. Individual giraffes stretched their necks for food. The "acquired" long necks from stretching were then passed on to the offspring. The giraffe population became long-necked please help I need to figure out which scientist it is
Answers
Answer:
Jean-Baptiste de Lamarck
Explanation:
His two principles were "use and disuse" and "inheritance of acquired characteristics." The latter is what the statement is referring to.
Answer:
Lamarck
In the case of a giraffe, Lamarck believed that giraffes once had short necks that got progressively longer as members of each subsequent generation stretched their necks as long as they could. In doing so, Lamarck believed that each generation would grow slightly longer necks and pass that trait onto their offspring.Jan. 16, 2018
Explanation:
Which of the following describes positive feedback?
Select one:
A. A loss of output from the body’s receptors.
B. The response of the body to increased temperatures.
C. An event that reduces the effects of a stimulus.
D. An event that enhances the original stimulus.
Answers
P waves and S waves are alike because they are the fastest waves and they occur
with in the earth's interior.
True or
False
Answers
Answer:
False!
Explanation:
S waves are a fraction as fast as P waves, around 50 - 60% slower than the major P waves. P waves can go through solids and molten metal, while S waves can only go through solids.
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A horticulturist is investigating the relationship between the height of tomato plants and the amount of fertilizer and wants to predict height based upon fertilizer amounts. He plants 30 tomato plants in similar conditions with varying fertilizer amounts (in ounces) and measures their height (in inches) after four-months. What are the error degrees of freedom? Select one:
O 30
O 28
O 29
O 27
Answers
The horticulturist is investigating the relationship between the height of tomato plants and the amount of fertilizer and wants to predict height based upon fertilizer amounts.
He plants 30 tomato plants in similar conditions with varying fertilizer amounts (in ounces) and measures their height (in inches) after four-months. The error degrees of freedom is 28.Here's how you can calculate the error degrees of freedom for this particular case:Degrees of freedom (df) = n − kwhere,n = the total number of observationsk = the number of predictor variables
We know that there are 30 tomato plants and one predictor variable (fertilizer amount) was used.
Therefore, k = 1.
Substituting the values into the formula, we get:
df = n - k
= 30 - 1
= 29
Therefore, the error degrees of freedom is 29. Thus, the correct option is O 29.
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which structure is correctly paired with its function? question 38 options: urethra: transport of urine bladder: concentration of urine nephron: storage of urine ureter: formation of urine
Answers
Urine is carried by the urethra.
Urine travels from the kidneys to the bladder through the ureters. Prior to passing through the urethra and leaving the body, the urine is stored in the bladder. the pipe connecting the kidney to the bladder to transport pee.
Urethra. Urine can travel through this tube and leave the body. Urine leaks from the bladder as a result of the brain's tightening signal to the bladder muscles. In order to allow urine to pass from the bladder through the urethra, the brain sends a signal to the sphincter muscles to loosen up.
The urinary bladder serves as a temporary reservoir for the pee and is reached by the ureters, which transport urine from the kidneys. The urinary bladder's urine is transported to the outside by the urethra, a tubular organ.
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Activity 1. Fill Me
Directions: Complete the passage with the correct answer. Write your answers on the space
provided.
(1)
is a process of taking in digested food nutrients into the cell
by providing materials in building new protoplasm and energy needed during the cell activities.
After the absorption process, the digested food products such as the glucose, amino acids,
and fatty acids are in the
(2)
This process basically means
(3)
when they are not yet needed and reuse them whenever they will
be required.
Answers
Explanation:
1) phagocytosis
2) cytoplasm
3)feeding
Which process is responsible for causing this column of rock to form?
A. crystallization
B. deposition
C. sedimentation
D. weathering
Answers
Answer: The answer is crystallization
Explanation:
Explain how mutated DNA would produce proteins responsible for sickle cells rather than producing proteins responsible for normal red blood cells
Answers
Answer:
Explanation:
Sickle cell anemia is a result of the point mutation, and in a change in just one nucleotide in a gene for hemoglobin. This mutation will cause the hemoglobin in the red blood cells to distort to a sickle shape when deoxygenated. "The sickle-shaped blood cells clog in the capillaries, cutting off circulation."
There are extreme regulations to be sure the radioactive waste generated by the nuclear power plants is secured. However, there have been cases of major issues and destruction when something goes wrong with storage of this waste. Nuclear energy's waste can cause a radioactive holocaust in which the radiation waste kills all living things within a 10 mile radius and destroys soil use for at least 25 years. It also causes mutations in all living things that develop after the radiation is exposed to the local environment. One facility of nuclear power can provide electricity to all of New York City including schools, hospitals, shelters, and so much more! Do you think using this form of energy is worth the risk of a waste spill? Explain your answer.
100 Points
Answers
isle royale national park consists of a series of islands located in lake superior. initially, there were no wolves on any of the islands since they were in the middle of lake superior. however, in 1949, an unusually long and cold winter produced an ice bridge between canada and the islands of the national park. during this winter, a pair of wolves used the ice bridge to travel inadvertently to isle royale. today there continues to be a wolf population on the main island descended from that original pair. has allopatric speciation occurred yet with respect to the mainland wolves? how would you determine if it has occurred?
Answers
Answer:
12
Explanation:
colorblindness is an x-linked recessive genetic trait. the frequency of the mutant colorblind allele is 1/50. what is the probability that k will be colorblind if he is male? it is not known if anyone in the family is colorblind
Answers
The probability of K being colorblind if he is male is equal to the probability of the mother carrying the mutant colorblind allele, which is 1/50.
Colorblindness is an X-linked recessive genetic trait, meaning it is associated with genes located on the X chromosome. In males, who have one X chromosome, the presence of the colorblind allele on that chromosome determines whether they will be colorblind or not.
The given information states that the frequency of the mutant colorblind allele in the population is 1/50, which means that in a random individual, there is a 1/50 chance of having the colorblind allele.
Since it is not known if anyone in K's family is colorblind, we assume that the mother's allele frequency is the same as the general population. Therefore, the probability of the mother carrying the mutant colorblind allele is also 1/50.
As K is male, he inherits his X chromosome from his mother. If his mother carries the mutant colorblind allele and passes it on to him, he will be colorblind. Thus, the probability of K being colorblind if he is male is equal to the probability of the mother carrying the mutant colorblind allele, which is 1/50.
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which month has the hottest surface temperatures in the southern hemisphere?
Answers
Answer: december,january, february
Explanation:
When sampling repeatedly from a population, the pattern describing the values a statistic can take and how often it takes those values is the.
Answers
sampling distribution of the statistic is the pattern that describes the values a statistic can take and how often it takes those values
A sampling distribution is a statistical probability distribution derived from repeated sampling of a given population. It represents a population's range of probable outcomes for a statistic, such as the mean or mode of some variable.
Sampling distributions explain the range of values for various sample statistics. While the mean sampling distribution is the most popular, they can also characterize other statistics such as standard deviation, range, correlation, and test statistics in hypothesis testing. The sampling distribution also depicts a statistic's frequency.
A geneticist, for example, who wants to compare the average weight of all babies born in Europe from 2010 to 2020 to those born in Asia during the same time period cannot draw data for the entire population of over a million childbirths that occurred during the ten-year time frame in a reasonable amount of time. They will instead base their judgment on the weight of, say, 100 infants on each continent. The weight of 100 new-born is the sample, and the estimated average weight is the sample mean.
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