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  9. Q680

RRB Junior Engineer / DMS / CMA 2024 · Question 680 of 730

What unique feature do the sex chromosomes in humans have compared to other chromosomes?

  1. AThey are not always a perfect pair in males.Correct
  2. BThey are always perfectly paired.
  3. CThey are identical in males and females.
  4. DThey are the largest chromosomes in the body.

Answer: A. They are not always a perfect pair in males.

Official answer key verified. Detailed explanation coming soon.

Source: Railway Junior Engineer 2024 Answer Key compilation (English) — testranking.in (Gagan Pratap) · reliable-secondary

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