During G2 phase a diploid cell contains the amount of DNA equal to a:

Diploid cell

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Haploid cell

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Tetraploid cell

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None of the above

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Solution

The correct option is C Tetraploid cell
Chromosomal complement (genomic content) of cells in G2 consists of one set of 46 chromosomes with duplicated DNA (DNA content: 4N or 4C). In the diploid nucleus with replicated DNA, each chromosome have two chromatids resulting in “mitotic” tetraploidy. Thereby the number of chromosomes remain the same as the parent cell.

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