Q 1338001802.     The change of the lighter colored variety of peppered moth Biston betularia to its darker variety (carbonaria) is due to

A

Deletion of a segment of gene due to wings of moth resulting in darker variety.

B

Translocation of a block of genes in chromosomes in response to heavy carbons.

C

Industrial carbon deposited on the wings of moth resulting in darker variety.

D

Mutation of single Mendelian gene for survival in the smoke-laden industrial environment.

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