-
The change of the light-coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonaria) is due to
-
- mutation
- regeneration
- genetic isolation
- temporal isolation
Correct Option: A
The change in the colour of peppered moth is due to the mutation of single mendelian gene for the survival in the smokeladen industrial environment. It is called Industrial melanism.