Social Environment Allows the Transfer of Gender-Specific Behaviour Traits

by Bidita Debnath on  August 16, 2017 at 11:55 PM General Health News
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The first major exposure to gender roles typically comes from a child's parents. Children are often dressed in gender specific clothing and given gender specific toys from birth. Parents may encourage children to participate in sex-typed play, such as girls playing with dolls and boys playing with trucks.
Social Environment Allows the Transfer of Gender-Specific Behaviour Traits
Social Environment Allows the Transfer of Gender-Specific Behaviour Traits

Parents may also model gender normative behavior, both unintentionally and intentionally. If you have particularly masculine or feminine traits, chances are you got them from the people around you.

The different ways men and women behave, passed down from generation to generation, can be inherited from our social environment - not just from genes, experts have suggested. Rather than the sexes acting differently because of genetic inheritance, the human environment and culture allow for the transfer of some gender-specific behaviour traits from generation to generation.

A study by Cordelia Fine from the University of Melbourne, John Dupre from University of Exeter and Daphna Joel from Tel-Aviv University suggested that for some gender-related traits, the interactions between the genetic and hormonal components of sex with other factors create variability between individuals whereas environmental factors supply the stable conditions needed for the reproduction of the trait in each generation.

These two important shifts in scientific thinking point to the possibility that gender roles seen across different generations are sometimes best explained in terms of inherited socio-environmental conditions. "Even in non-human mammals, adaptive traits that have reliably developed in offspring for thousands of years can disappear within a few generations, if the relevant environmental conditions change," said Dupre.

"Genetic inheritance continues to be critical for the capacity to quickly learn an adaptive behaviour, but environmental factors that are stable over generations remove any selective pressure for the development of parallel genetic mechanisms." The academics used recent thinking from evolution theory and recent findings from studies of the relations between sex and the brain for the article.

Professor Joel said: "Masculine and feminine behaviours cannot be explained by the existence of male and female brains, as has previously been suggested. Our research suggests that intergenerational inheritance of gender-specific traits may better be explained by highly stable features of the social environment." The article said that non-genetic mechanisms may be particularly important in humans because our culture strongly encourages us to have male or female roles. The enormous human capacity to learn also allows for information to be passed from generation to generation.

Fine said: "The conclusion is the need to question the pervasive assumption that it is always biological sex, via its direct action on the brain, that does the 'heavy lifting' when it comes to the gender traits we inherit and display." The study appears in journal Trends in Cognitive Sciences.

Source: ANI

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