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Results 1 - 6 of 6 for TESTOSTERONE TOTAL FREE
  1. X chromosome 
    ... lead to a reduction in the levels of testosterone (a hormone that directs male sexual development). Extra ... four copies of the X chromosome, for a total of 49 chromosomes in each cell.Having extra ...
    https://medlineplus.gov/genetics/chromosome/x - Genetics
  2. Y chromosome 
    ... lead to a reduction in the levels of testosterone (a hormone that directs male sex development). Extra ... 10.1073/pnas.0306306101. Citation on PubMed or Free article on PubMed Central Jain M, Olsen HE, ...
    https://medlineplus.gov/genetics/chromosome/y - Genetics
  3. Klinefelter syndrome 
    ... small testes that produce a reduced amount of testosterone (primary testicular insufficiency). Testosterone is the hormone that directs male sexual development ...
    https://medlineplus.gov/genetics/condition/klinefelter-syndrome - Genetics
  4. 48,XXXY syndrome 
    ... testes are small and do not produce enough testosterone, which is the hormone that directs male sexual development. The shortage of testosterone often leads to incomplete puberty. Starting in adolescence, ...
    https://medlineplus.gov/genetics/condition/48xxxy-syndrome - Genetics
  5. 47,XYY syndrome 
    ... have normal production of the male sex hormone testosterone and normal male sexual development, and they are ... the extra Y chromosome, each cell has a total of 47 chromosomes instead of the usual 46. ...
    https://medlineplus.gov/genetics/condition/47xyy-syndrome - Genetics
  6. CYP17A1 gene 
    ... group of hormones includes sex hormones such as testosterone and estrogen, which are needed for normal sexual ... partial 17α-hydroxylase/17,20-lyase deficiency, while total loss of these activities leads to the more ...
    https://medlineplus.gov/genetics/gene/cyp17a1 - Genetics