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Results 1 - 2 of 2 for Sex hormone
  1. Y chromosome 
    ... a reduction in the levels of testosterone (a hormone that directs male sex development). Extra copies of genes from the pseudoautosomal ...
    https://medlineplus.gov/genetics/chromosome/y - Genetics
  2. X chromosome 
    ... have learned more about the differences between these sex chromosome ... testosterone (a hormone that directs male sexual development). Extra copies of ...
    https://medlineplus.gov/genetics/chromosome/x - Genetics