Klinefelter Syndrome
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Klinefelter Syndrome Joseph Tang ET 11B AP Biology
description
Klinefelter Syndrome. Joseph Tang ET 11B AP Biology. Causes. nondisjunction in meiosis extra X chromosome(s) gamete has >1 sex chromosome zygote has >2 sex chromosomes XXY/XXXY/XXYY etc. Symptoms. breasts o.o lack of body hair lack of testosterone lower physical ability. Diagnosis. - PowerPoint PPT Presentation
Transcript of Klinefelter Syndrome
nondisjunction in meiosis
extra X chromosome(s) gamete has >1 sex chromosome zygote has >2 sex chromosomes
XXY/XXXY/XXYY etc.
Causes
aspermatogenesis karyotype: blood
sample WBCs separated chromosomal abnormalities (e.g. X chromosome)
Diagnosis
emotional problems/social pressure
decreased life expectancy (not definitive)
disease (osteoporosis, breast cancer etc.)
Prognosis