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Questions  

UV radiation brings about mutations by causing the formation of

a
Adenine dimers
b
Uracil dimers
c
Guanine dimers
d
Thymidine dimers

detailed solution

Correct option is D

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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