Definition of outbreed in English:



[with object]usually as noun outbreeding
  • Breed from parents not closely related.

    ‘many specific genetic factors are known which regulate the degree of outbreeding’
    • ‘Note that all related outbred progeny are related to these grandparents through their common sire.’
    • ‘The first hypothesis predicts that outbreeding species should possess more genetic variation within a population and that inbreeding species show less variation within and more between populations.’
    • ‘I used to suppose that finding the right balance between inbreeding and outbreeding, minimising the costs of both, is best achieved by careful mate choice.’
    • ‘In addition, the ratio of the metapopulation levels of genetic diversity in inbreeding vs. outbreeding species can also be heavily influenced by the structure of the populations.’
    • ‘The fitness consequences of inbreeding and outbreeding have intrigued biologists for a long time.’