Question

A human is diploid with 2n = 46, a cell in G2 would contain how many chromosomes?

A) 46 chromosomes, 46 homologous pairs, 92 chromatids
B) 46 chromosomes, 23 homologous pairs, 46 chromatids
C) 23 chromosomes, 23 homologous pairs, 46 chromatids
D) 23 chromosomes, 46 homologous pairs, 92 chromatids

Answer 1

A human diploid cell in the G2 phase contains 46 chromosomes, 23 homologous pairs, and 92 chromatids.

Step-by-step explanation:

In human diploid cells, such as those in the G2 phase of the cell cycle, there are a total of 46 chromosomes, which equate to 23 homologous pairs. However, since the G2 phase occurs after DNA replication, each chromosome consists of two identical copies called sister chromatids. As such, a cell in G2 phase of the cell cycle would contain 92 chromatids in total. Therefore, the correct answer to the question is A) 46 chromosomes, 23 homologous pairs, 92 chromatids.