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Mark the correct statement regarding sex chromosomes 1. Women have a perfect pair of sex chromosomes, both called X 2. Men have a mismatched pair in which one is a normal-sized X while the other is a long one called Y?

LohaHridoy
  1. 2 only
  2. Neither 1 nor 2
  3. Both 1 and 2
  4. 1 only

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1 Answers

AhmedNazir

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Option 4 : 1 only

Explanation:
  • Each cell in the human body has 23 pairs of chromosomes, for a total of 46.
  • Twenty-two of these pairings, referred to as autosomes, are identical in males and females.
  • Males and females have different sex chromosomes, the 23rd pair.
  • Males have one X and one Y chromosome, while females have two copies of the X chromosome.
  • Men have a mismatched set of sex chromosomes, with one being a normal-sized X and the other being a short Y, resulting in XY.An X and a Y chromosome are found on the 23rd pair in males.
  • The 23rd pair of X chromosomes in females has two of them. Girls have a perfect sex chromosomal pair as a result.
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