Answer;
-Anaphase
Explanation;
-Mitosis is the process by which cells divides or undergoes division to yield daughter cells that are identical to the parent cells, that is, they have the same number of chromosomes.
-Mitosis occurs in several phases which includes; interpahse, prophase, metaphase, anaphase and telophase.
-It is during the anaphase phase of mitosis that the amount of genetic material in each chromosomes become halved after the separation of sister chromatids at the centromere and moving towards the poles.