(a) Down's syndrome
(b) Super female
(c) Turner's syndrome
(d) Klinefelter's syndrome
[CBSE AIPMT 1996, 97]
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A person with 47 chromosomes due to an additional Y-chromosome suffers from a condition called
A person with 47 chromosomes due to an additional Y-chromosome suffers from a condition called
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Correct Option (d)
Reason : HF Klinefelter first described this condition in 1942. The chromosome number is 2n = 47 with the formula 44A + XXY.
Phenotypically these individuals are males, but they can show some female secondary sexual characteristics and are usually sterile.