Question

30.
(a) Define variation.
(b) All the variations in a species do not have
equal chances of survival. Why?
(c) Name two human traits which show variation,​

Answer 1

Answer:

1. Variation is caused by changes in gene while transferring the genes from parents during mating.
2. Because sometimes it helps and also harmful.
3. Free or attach earlobe and Black or brown hair.