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Results 1 - 2 of 2 for Y chromosome
  1. ... Centers for Disease Control and Prevention X and Y chromosomes Did you know? Females have two copies of ... chromosome, while males have one X and one Y chromosome. Source: MedlinePlus Migraine in last three months 15% ...
  2. ... chromosome, while males have one X and one Y chromosome. Source: MedlinePlus Explore More on MedlinePlus.gov Genetic ...