Evolution Question 90
90. The change of the light-coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonaria) is due to
[1995]
(a) mutation
(b) regeneration
(c) genetic isolation
(d) temporal isolation
Show Answer
Answer : a
Hints & Solution
(a) The change in the colour of peppered moth is due to the mutation of single mendelian gene for the survival in the smoke-laden industrial environment. It is called Industrial melanism.
