First slide

Mutation

Question

UV radiation brings about mutations by causing the formation of

Easy

A

Adenine dimers
B

Uracil dimers
C

Guanine dimers
D

Thymidine dimers.

Solution

When exposed to UV radiation, it promotes the formation of Thymidine dimers between adjacent thymines of a DNA strand. This dimer formation distorts the DNA conformation and inhibits DNA replication and responsible for the death of cells.

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