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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Fecundity, Offspring Longevity, and assortative Mating: Parametric tradeoffs in sexual and life history strategy
Biodemography and Social Biology, Volume 57, No. 2, Year 2011
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Description
Genetic diversification of offspring represents a bet-hedging strategy that evolved as an adaptation to unpredictable environments. The benefits of sexual reproduction come with severe costs. For example, each offspring only carries half of each parent's genetic makeup through direct descent. The lower the reproductive rate, the more substantial the cost when considering the proportion of genes represented in subsequent generations. Positive assortative mating represents a conservative bet-hedging strategy that offsets some of these costs and preserves coadapted genomes in stable and predictable environments, whereas negative assortative mating serves the inverse function of genetic diversification in unstable and unpredictable environments. Copyright © 2011 Society for the Study of Social Biology.
Authors & Co-Authors
Wolf, Pedro S.A.
South Africa, Cape Town
University of Cape Town
Figueredo, Aurelio José
United States, Tucson
The University of Arizona
Statistics
Citations: 21
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1080/19485565.2011.614569
ISSN:
19485565
e-ISSN:
19485573
Research Areas
Genetics And Genomics
Sexual And Reproductive Health