Titlebook: Genetic Influences on Human Fertility and Sexuality; Theoretical and Empi Joseph Lee Rodgers,David C. Rowe,Warren B. Miller Book 2000 Sprin

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Genetic Influences on Childbearing Motivation: Further Testing a Theoretical Framework,decision-making. The sequence begins with motivational traits, which lead to desires, then to intentions, and finally result in instrumental reproductive behaviors. Here, we re-examine and expand upon our framework, generating a new synthesis suitable for testing with genetic and psychological data.

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Twinning, Fertility, and the Opportunity for Natural Selection in a Micronesian Island Population,hat the latter produced on average more children, especially sons, over a longer reproductive lifespan and attained higher age at death than SBMs. Differential mortality of second-generation offspring lowered, but did not erase, this selective advantage.

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https://doi.org/10.1007/978-3-642-86071-3ally that variance in genetic components of fitness will be wiped out quickly by selection. But I now propose that genetic components of fitness are not a stable set. As environments change, the components of fitness change, and new pools of genetic variance are exposed to selection.