The answer is , because one cell divides to form two identical cells.
False. <span>Adult corals are sessile organisms, i.e. they don't move around. They are tiny organisms whose shells are what we generally see.</span>
For most genes on the human X chromosome, 100% of XY males with mutant allele on the X chromosome will express the mutant phenotype.
50 % of human sperm cells that carry an X chromosome. There is 50 % chances that daughter of any male will not carry the gene and can't pass it on and 50 % chance that sons do not have the gene and it will be healthy. 50% chance that son have inherited the gene and express the trait or disorder.
If a Egg is fertilizes by sperm with X chromosome then zygote will be a female ' XX'. If the Egg is fertilizes by sperm with Y chromosome , then zygote will be male 'XY'.
To learn more about human sperm cells here
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Is c a and b i hope im right
Answer:
A walrus stays warm in the cold ocean or penguins can stay warm in cold arctic waters.
