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For my human genetics research paper, I have selected , or XXY Syndrome to further investigate. At first, I was stuck on what I should choose, but while searching the web for possible diseases or genetic traits, I came across a lot of useful information and many ....

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.... are not aware of it because they have very little or none of the typical symptoms that occur with the disease. can be diagnosed through a karyotype-a chromosome analysis usually done on a blood sample showing 47, XXY before birth, through amniocentesis or chorionic villus sampling (4). Neither procedure is routinely used to check for XXY though. In later years, a semen exam showing low sperm count, decreased serum testosterone level, increased serum luteinizing hormone or increases serum follice stimulating hormone, can be suspects for a male having (1). (2) Phenotype Characteristics Frequency is about 1 in 500 to 1 in 1000 male births, whic ....