C: if rabbits eat twice their normal amount of food, they will gain weight
B) Both parents are heterozygous. It is clear that Black fur is a dominant trait, so a white mouse is the result of two submissive traits clicking together.
I'd say the correct answer your looking for is B.
It <span>cannot be </span>taken<span> by </span>mouth<span> because the digestive juices in your stomach and intestine will break down the </span>insulin<span> before it has a chance to get into your bloodstream to do its job</span>
Mutations result from an error in DNA replication, should it be from an alien source (like radiation) or simply a mistake in replication.
Migration of organisms to a new population would alter the DNA by adding new genes, but it would not mutate them.