triallelism

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English[edit]

Noun[edit]

triallelism (uncountable)

  1. (genetics) The condition of being triallelic.
    • 2003, Frances Flinter, The Genetics of Renal Disease, page 368:
      However, given the phenomenon of triallelism, it is no longer possible to be certain that the recurrence risk in an affected family will be as high as 25 per cent as it may be a requirement in up to 10 per cent of pedigrees for three mutant alleles to co-segregate.