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MHT CET Biology question

BiologyPrinciples of Inheritance and VariationMHT CET

What would be the number of chromosomes in the ovum (fertilized by a normal sperm) that resulted in the appearance of Klinefelter's syndrome in the offspring?

Answer: (D)

Solution

A normal sperm has 23 chromosomes (22 + X or 22 + Y); to give a 47-chromosome XXY zygote the ovum must carry 24 chromosomes (22 +

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Question ID VK-059346