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NEET2015ZoologyPrinciples of Inheritance and VariationActual

Barr Body is found in the cytoplasm during

Options

  1. Ainterphase in cell of female mammal
  2. Binterphase in cell of male mammal
  3. Cprophase in cell of female mammal
  4. Dprophase in cell of male mammal.

Correct answer

A. interphase in cell of female mammal

Step-by-step solution

Barr body is also known as sex chromatin or X chromatin. Barr body is partially inactivated and development of this facultative heterochromatin occurs in one of the two X chromosomes in interphase nuclei of human female. Any of the two X-chromosomes can become heterochromatin.

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