Avoiding inbreeding: at what cost?

Animals reproducing sexually are faced with a dilemma. They can mate in the local area where they were born, but must then take the risk that they will mate with a close relative and produce offspring suffering from inbreeding depression. Or they can migrate to a new area and mate with an unrelated...

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Veröffentlicht in:Journal of theoretical biology 1978-08, Vol.73 (3), p.439-444
1. Verfasser: Bengtsson, B.O.
Format: Artikel
Sprache:eng
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Zusammenfassung:Animals reproducing sexually are faced with a dilemma. They can mate in the local area where they were born, but must then take the risk that they will mate with a close relative and produce offspring suffering from inbreeding depression. Or they can migrate to a new area and mate with an unrelated animal, but then there is a chance that they will die or lose valuable reproductive time during the migration. This dilemma is here described by some simple models. The condition for spreading of a new reproductive strategy in a population is given. The results are discussed using data from the Great Tit, Man and the Japanese Quail on the effect of inbreeding.
ISSN:0022-5193
1095-8541
DOI:10.1016/0022-5193(78)90151-0