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Results 1 - 1 of 1 for Abnormal play
  1. Are fingerprints determined by genetics?: MedlinePlus Genetics 
    ... studies suggest that both genetic and environmental factors play a role. A person’s fingerprints are based ... and blood vessels underneath the skin, may all play a role in determining the pattern of ridges. ...
    https://medlineplus.gov/genetics/understanding/traits/fingerprints - Genetics