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The sex ratio is low owing to the inherent bias in the number of sperms that carry Y chromosome.

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in Biology – Class 12 by (271k points)
The sex ratio is low owing to the inherent bias in the number of sperms that carry Y chromosome.

(a) True

(b) False

The question was asked by my college director while I was bunking the class.

My doubt stems from Human Reproduction topic in section Human Reproduction of Biology – Class 12

1 Answer

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Best answer
Right option is (b) False

The best explanation: The human males have XY as their sex chromosomes. Thus upon undergoing meiosis, the probability of sperm having an X chromosome is the same as that of having a Y chromosome. There is no natural bias here. The lower sex ratio hence cannot be accounted to such a biological phenomenon.

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