Besides genes, human environment and culture can also influence gender specific behavioural traits, claims a research.For some masculine and feminine behaviour-related traits, the interactions between the genetic and hormonal components of sex with other factors
create variability between individuals.

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Researchers said:

  •  Environmental factors supply the stable conditions needed for reproduction of the trait in each generation, the researchers said.
  •  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.
  •  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 team reviewed studies on evolution and relationship between sex
    and brain.

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Another Study:

  •  Found that human brains are composed of unique mosaics of features, which are more common in one sex.
  •  The research suggests that intergenerational inheritance of gender specific traits may better be explained by highly stable features of the
    social environment.
  • According to the research, non-genetic mechanisms may be particularly important in humans.
  • In addition,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.

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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.

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