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UV radiations cause...

UV radiations cause

A

Formation of thymine dimers

B

Deletion of base pairs

C

Methylation of bases

D

Addition of base pairs

Text Solution

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The correct Answer is:
A
Pyrimidine dimers are molecular lesions formed from thymine or cytosine bases in DNA via photochemical reactions ultraviolet light induces the formation of covalent linkages by reactions localized on the double bonds. It is the result of UV radiation.
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