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Sex-Linked Behavior: Evolution, Stability, and Variability
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DOI：10.1016/j.tics.2017.06.012.png)
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Abstract
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Common understanding of human sex-linked behaviors is that proximal mechanisms of genetic and hormonal sex, ultimately shaped by the differential reproductive challenges of ancestral males and females, act on the brain to transfer sex-linked predispositions across generations. Here, we extend the debate on the role of nature and nurture in the development of traits in the lifetime of an individual, to their role in the cross-generation transfer of traits. Advances in evolutionary theory that posit the environment as a source of trans-generational stability, and new understanding of sex effects on the brain, suggest that the cross-generation stability of sex-linked patterns of behavior are sometimes better explained in terms of inherited socioenvironmental conditions, with biological sex fostering intrageneration variability.
Keywords:
MATERNAL-BEHAVIOR
EVO-DEVO
TESTOSTERONE
DIFFERENTIATION
NUMBER
BRAIN
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