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प्रश्न
What percentage of sperms produced by a human male carry the Y chromosome?
विकल्प
100%
75%
50%
25%
MCQ
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उत्तर
During spermatogenesis in males (XY), meiosis produces two types of sperms in equal proportions: 50% carry the X chromosome and 50% carry the Y chromosome. This equal distribution occurs because the male has both X and Y chromosomes that segregate during meiosis.
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