WBCS.LIVE practice question

Barr body is absent in somatic cell of

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Klinefelter syndrome individual
  2. Triple X syndrome individual
  3. Turner syndrome individual
  4. sub-human mammalian female individual

Correct answer and explanation

Correct answer: Turner syndrome individual

Explanation: āœ… Correct Answer: C) Turner syndrome individual šŸ“š Explanation: A Barr body is an inactivated X chromosome found in the somatic cells of females. Individuals with Turner Syndrome have a 45,X genotype, meaning they only have one X chromosome. Since there is no extra X chromosome to inactivate, the Barr body is absent.