The normal male chromosome arrangement is 46XY, but for men with Klinefelter syndrome it is 47XXY What is Klinefelter syndrome? Genes provide specific instructions for body characteristics and functions | Klinefelter syndrome is common, affecting one in every 450 men |
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Testicular development and function in impaired, often resulting | Annales d'endocrinologie Paris , 71 6 , 494-504 |
Boys normally have one X and one Y chro-mosome, but most boys with Klinefelter syndrome have two X and one Y chromosome.
26In order to maximise the potential of males with 48,XXXY, it is important to provide early speech and language therapy, physiotherapy, and occupational therapy Klinefelter Syndrome Diagnosis | If playback doesn't begin shortly, try restarting your device |
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In 1942, Klinefelter et al published a report on 9 men who had enlarged breasts, sparse facial and body hair, small testes, and an inability to produce sperm | It is a condition in boys caused by the presence of an extra X chromosome |
Boys with Kline-felter's syndrome have abnormal or slow sexual develop-ment.
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