disassortative mating

Definitions of disassortative mating
  1. noun
    mating of individuals having traits more dissimilar than likely in random mating
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    assortative mating
    mating of individuals having more traits in common than likely in random mating
    type of:
    conjugation, coupling, mating, pairing, sexual union, union
    the act of pairing a male and female for reproductive purposes
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