Eons: Hadean, Archean, Proterozoic
Answer: Crossing over
Explanation:
In meiosis, chromatids are made to exchange their genetic material during Prophase to allow the formation of offspring that are genetically different from their parents.
The process of exchange is called CROSSING OVER. And it occurs through a contact point known as Chiasma.
Oxigen ,nitrogen ,carbon,and hydrogen.
Answer:
this a test
Explanation:
Im not going to answer learn by yourself
