Explanation:
<h2>A mutation is a change in a genetic sequence. Mutations include changes as small as the substitution of a single DNA building block, or nucleotide base, with another nucleotide base. Meanwhile, larger mutations can affect many genes on a chromosome.</h2>
A) secretion of acids and ammonia
<span>The correct answer is Gametogenesis. Gametogenesis is a biological process where diploid cells undergo cell division and formation and maturation of gametes. Down syndrome can be considered to be a disorder where a human has 47 chromosomes instead of having only 46. </span>
The phospholipid no later regulates the amount of water that travels in and out of the cell.