Used to define and identify geological times.<span />
Answer:
a) During metaphase, each of the 46 chromosomes line up along the center of the cell at the metaphase plate.
OK my friend basically pleiotropy would be when one gene affects multiple traits so the answer will be option D.
Answer:
what I would do is put on a glove or something and carefully but it in an evidence bag and send it to the lab to get tested
