Karyotype in Klinefelter's syndrome is?
ANSWER: (A) 47XXYREF: Harrison's 18th ed table 349-2 Genitalia DisorderCommon Chromosomal ComplementGonadExternalInternalBreastDevelopmentKlinefelter'ssyndrome47,XXY or 46.XY/47.XXYHyalinized testesMaleMaleGynecomastia Clinical Features Small testes, azoospermia, decreased facial and axillary hair, decreased libido, tall stature and increased leg length, decreased penile length, increased risk of breast tumors, thromboembolic disease, learning difficulties, obesity, diabetes mellitus, varicose veins
47 XXY
45XO
46XXY
45XXX
Cytogenetic Disorders