Father–daughter inbreeding avoidance in a wild primate population

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Father–daughter inbreeding avoidance in a wild primate population

The most common way by which social animals avoid breeding with relatives is for members of one or both sexes to disperse before reproducing [1]. In capuchin monkeys — as in most primates — males disperse while females benefit from lifelong relationships with maternal kin within the group [2]. If α-males — who sire most offspring in a given group — retain their rank for longer than 6 years, the...

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Behavioural inbreeding avoidance in wild African elephants.

The costs of inbreeding depression, as well as the opportunity costs of inbreeding avoidance, determine whether and which mechanisms of inbreeding avoidance evolve. In African elephants, sex-biased dispersal does not lead to the complete separation of male and female relatives, and so individuals may experience selection to recognize kin and avoid inbreeding. However, because estrous females ar...

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Dispersal as a means of inbreeding avoidance in a wild bird population.

The long-term study of animal populations facilitates detailed analysis of processes otherwise difficult to measure, and whose significance may appear only when a large sample size from many years is available for analysis. For example, inbreeding is a rare event in most natural populations, and therefore many years of data are needed to estimate its effect on fitness. A key behaviour hypothesi...

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Population properties affect inbreeding avoidance in moose.

Mechanisms reducing inbreeding are thought to have evolved owing to fitness costs of breeding with close relatives. In small and isolated populations, or populations with skewed age- or sex distributions, mate choice becomes limited, and inbreeding avoidance mechanisms ineffective. We used a unique individual-based dataset on moose from a small island in Norway to assess whether inbreeding avoi...

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Inbreeding depression across the lifespan in a wild mammal population.

Inbreeding depression is of major concern for the conservation of threatened species, and inbreeding avoidance is thought to be a key driver in the evolution of mating systems. However, the estimation of individual inbreeding coefficients in natural populations has been challenging, and, consequently, the full effect of inbreeding on fitness remains unclear. Genomic inbreeding coefficients may ...

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ژورنال

عنوان ژورنال: Current Biology

سال: 2006

ISSN: 0960-9822

DOI: 10.1016/j.cub.2006.02.055