Answer:
I believe c not completely sur e though
Explanation:
Answer:
Usually the Y chromosome. It is recessive because if one Y chromosone is mutated with red-green colorblindness and the X is not, the child will have colorblindness. But, if one X chromosome has the mutation and the other X does not, they will cancel out, meaning the child will not have colorblindness.
Answer:
thus buds that eventually grow into arms and legs are formed in 1st month of pregnancy
Answer:
Enzymes can only be used once
Explanation:
Enzymes are there forever