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What is the genotype of the person suffering from Klinefelter’s syndrome?(a) 44+ XXX(b) 42+ XXX(c) 44+ XXY(d) 42+ XXYThe 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

Answer»

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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