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Practice MCAT Question - Q76 - Answer!

In human cells undergoing mitosis, how many chromatids are present during anaphase?

A.  22
B.  23
C.  46
D.  92

The correct answer is (D). All 46 chromosomes have been replicated during interphase, resulting in 92 chromatids. During anaphase, the 92 chromatids have been divided into two sets of 46, and are moving toward opposite poles. However, the two daughter cells have not yet been formed. Therefore, all 92 are still present in the original undivided cell.

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