Industrial melanism as observed in peppered moth proves that

Options

A. Melanism is a pollution-generated feature
B. The true black melanic forms arise by a recurring random mutation
C. The melanic form of the moth has no selective advantage over lighter form in industrial area
D. The lighter form moth has no selective advantage either in polluted industrial area or non-polluted area

Answer

B

Explanation

The true black melanic forms arise by a recurring random mutation