In a cell that has a diploid number of 8 chromosomes, how many chromatids will be present at the beginning of mitosis?
A) 8
B) 16
C) 32
D) 4
E) 2

Question

Quizplus · Accepted Answer

At the beginning of mitosis, each chromosome consists of two sister chromatids, so the total number of chromatids present will be 16. This is because the diploid number of 8 chromosomes means that there are 8 pairs of homologous chromosomes, and during S-phase of interphase (before mitosis), each chromosome replicates to form two identical sister chromatids that remain attached at the centromere.

In a Cell That Has a Diploid Number of 8