Identify the incorrect statement

Moderate

A

Mutation is the source of all genetic variations, the raw material of evolution.
B

Somatic mutations arise in somatic tissues which do not produce gametes.
C

Gene mutations consist of changes in a single gene and may be base substitutions or insertions or deletions.
D

Proflavin, acridine orange, ethidium bromide are examples of base analogues.

Solution

Proflavin, acridine orange, ethidium bromide are examples of intercalating agents. They are about the same size as a nucleotide. They produce mutations by sandwiching themselves (intercalating) between adjacent bases in DNA, distorting the three-dimensional structure of the helix and causing single nucleotide insertions and deletions in replication.

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