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NEET2004ZoologyEvolutionActual

A baby has been born with a small tail. It is a case exhibiting

Options

  1. Aretrogressive evolution
  2. Bmutation
  3. Catavism
  4. Dmetamorphosis.

Correct answer

C. atavism

Step-by-step solution

There are some rare cases in medical literation which could be interpreted as atavisms, that is the reappearance of our ancestor's organs, in which more prolonged traits, already lost by human beings throughout evolution, are expressed again. Such is the case of supranumerary mammary glands, sacral tail etc.

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