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What is the genotype of the person suffering from Klinefelter’s syndrome?

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in Biology – Class 12 by (271k points)
What is the genotype of the person suffering from Klinefelter’s syndrome?

(a) 44+ XXX

(b) 42+ XXX

(c) 44+ XXY

(d) 42+ XXY

The question was asked in final exam.

Question is from Inheritance and Variation Principles topic in chapter Principles of Inheritance and Variation of Biology – Class 12

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The correct answer is (c) 44+ XXY

The explanation is: The genotype of the person suffering from Klinefelter’s syndrome is 44+ XXY. This deviation from a normal person’s genotype is due to the additional copy of the X-chromosome.

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