Which of the following is an example of an epigenetic change in eukaryotes? A) a loss of an AT base pair from a gene B) the addition of methyl groups to cytosines in the promoter region of a gene C) the substitution of an AT base pair by a GC base pair in a gene as a result of a mistake during DNA replicationD) a deletion that simultaneously removes two genes from the genome E) None of these examples represents epigenetic changes.

Question

Biology

Meadow Hoover

19 May, 03:21

Which of the following is an example of an epigenetic change in eukaryotes? A) a loss of an AT base pair from a gene B) the addition of methyl groups to cytosines in the promoter region of a gene C) the substitution of an AT base pair by a GC base pair in a gene as a result of a mistake during DNA replicationD) a deletion that simultaneously removes two genes from the genome E) None of these examples represents epigenetic changes.

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Answers (1)

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Evelin Farley · Answer 1

The answer is B

Explanation:

The addition of methyl groups to cytosines in the promoter region of a gene.

Epigenetic modifications entails DNA methylation and histone modification