Answer:
Hope this is helpful to you...
Thank you!
Answer:
Because it controls all the activities in the cell
Answer:
What is the name of this website
or the book?
I think the correct answer from the choices listed above is option A. When crossing-over takes place, chromosomes exchange corresponding segments of DNA. Corresponding genes on non-sister chromatids are exchanged at chiasmata. Hope this answers the question.
