A) retrogressive evolution
B) mutation
C) atavism
D) metamorphosis
Correct Answer: C
Solution :
The phenomenon of sudden reappearance of some ancestral features is called atavism. Appearance of ancestral characters in the new born such as large canines, thick body hairs, monstral face, short temporary tails, gill slits, additional pairs of nipples etc are examples of atavism.
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