The answer is either B or C
And I think it's C but not really sure
crossing over, process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. Crossing over occurs in the first division of meiosis. At that stage each chromosome has replicated into two strands called sister chromatids.
Answer:
whats ur question basecally
Explanation:
I tried my best, well i hope this helps. Good luck.
Answer: organ
Explanation: brainliest please