Examine the differences between the common ancestor’s original gene and the genomes of the existing species. How can these changes affect the development of the protein in the descendant species?

common ancestor: AGATCCTAGA
20 million years: AGATCCTACA 20 million years: AGAACCTAGA
40 millions years: AGATCCTATCA 40 million years: AGAAGCCTAGA

answer: "circumcision is a common procedure in which the skin covering the tip of the penis is surgically removed."

as many times as you want

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

i know can you plzz me with this question im sorry i didt answer your question i just need hel.