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Delhi Police SI Genetics — practice questions

Explore 1 free Genetics questions in Delhi Police SI Science. Open each question or exercise to read its content, reference answers and available explanation.

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Which one of these is found in human males only?Read the answer and worked solution →

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Which one of these is found in human males only?

  1. X-chromosome
  2. Y-chromosome
  3. XX chromosome
  4. 2X chromosome
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Correct answer: B. Y-chromosome

1. Human females have the sex chromosomes XX; males have XY. 2. The Y-chromosome is present only in males. 3. Hence the Y-chromosome is found in males only. _Source: RRB Group D CEN-02/2018 PYQ, Q.99._

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