Answer: option B) A gene can take different forms called alleles.
Explanation:
An allele is one of the two or more different forms of the same gene.
For example, a trait such as seed shape is represented expressed a gene, but with allele of "RR" (round seeds) and "rr"(wrinkled seeds) observed physically by the farmers.
Thus, the correct answer is that a gene can take different forms called alleles.
If the weather gets too cold, the plants the deer eat can die causing the deer to starve to death and lower the population of the species.
polar ice and grass land because
The immune system helps neutralize disease and infection. The digestive system processes nutrients from food. The skeletal system includes your bones and supports and protects your body. The correct answer is the nervous system.
A cell theory.
Since cells are the basic unit of structure in all organisms and also the basic unit of reproduction.
