Human Leukocyte Antigen (HLA) part 120

hla protein 1



Mate choice studies on rodents and other species usually find preference for HLA dissimilarity in potential partners. HLA-associated mate choice studies in humans are based on three broadly different aspects:

  • Odour preferences
  • Facial preferences
  • Actual mate choice surveys

As in animal studies, most odour-based studies demonstrate disassortative preferences, although there is variation in the strength and nature of the effects. In contrast, facial attractiveness research indicates  a preference for HLA-similar individuals. Results concerning HLA in actual couples show  a bias towards similarity in one study, dissimilarity in two studies and random distribution in several other studies.


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