polydactyly :

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polydactyly


  • n  birth defect characterized by the presence of more than the normal number of fingers or toes

  • This was significant because such malformations as polydactyly (extra fingers) often occur on only one hand, sometimes skip a generation.
  • Hydrocephalus, or water on the brain, and polydactyly, the presence of extra fingers or toes, also result from faulty genes.

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