47,XXY (KLINEFELTER SYNDROME) AND 47,XYY
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L. ABRAMSKY; J. CHAPPLE
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Article
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1997
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John Wiley and Sons
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English
โ 145 KB
Cytogenetic surveys of neonates have found that approximately one boy in 500 is born with an extra sex chromosome. Some of these boys are now being diagnosed when prenatal karyotyping is done for the detection of Down syndrome and other major aneuploidies. This study estimates what proportion of tho