Practice question
Question
Person having sex chromosomes XXY suffers from which of the following:
Explanation
Klinefelter syndrome karyotype 47,XXY results from nondisjunction causing extra X chromosome in males, presenting tall stature, small testes, gynecomastia, and infertility. It contrasts with Down trisomy 21, Edwards trisomy 18, and Patau trisomy 13 autosomal aneuploidies.
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