Asexual reproduction produces offspring with identical DNA to the parent and sexual offspring has a combination of DNA from two parents.
Chage identity of a substance
Answer:
It is simple mathematics , because sex chromosome XX are found in female and XY in male the remaining 22 pairs are the same in both.
Explanation:
I looked it up. I'm sorry if it's wrong.
They are formed by natural processes like anærobic decomposition. They contain energy from ancient photosynthesis. They can literally be around 650 million years old.