Question

HELP!!!

1. Why do cells need to duplicate the DNA before the M-phase/mitosis?
A. To create two cells that contain all the organelles
B. To create two cells that are identical, containing the same number ot chromosome
C. To create two cells that are non-identical to the parent cell
D. To create two cells with genetic variation

Answer 1

Answer: B

Step-by-step explanation:

DNA is duplicated so that each new daughter cell inherits an identical copy of the genome, while the centrosome is duplicated to help initiate the formation of the two poles of the mitotic spindle and to supply each daughter cell with its own centrosome.

Answer 2

It’s B











Explanation: just looked through my notes.