Parental Investment Theory Essay -- Gender Roles, Sex

The socio-biological theory suggests gender appropriate deportment has evolved to allow humanity to survive. There is yielding evidence in the root word of the human body men have a larger lung expertness and greater physical strength than women in order to better match them for protecting their family. In contrast, women atomic number 18 born with child-bearing capacities and are therefore biologically predetermined to care for their children, thus ensuring the human race survives.In 1994 Kenrick introduced paternal Investment conjecture. He claimed society is organised so that women are protected and remain faithful, ensuring men are able to impart their genes to early generations. This also allows for women to be selective to ensure their partner provides food, shelter and former(a) basic human necessities.Kenricks ideas are supported by bus 1994 experiment. Buss surveyed men and women in thirty seven countries to investigate alpha qualities in the opposite sex. The find ings showed that women preferred resourcefulness and dependability whereas men value chastity and youth. This study appears to support Kenricks Parental Investment Theory as Buss argues that men evolved to provide for their partners and are attracted to fertile women. estrogen receptors in the brain are believed to cause gender-appropriate behaviour. Oestrogen, a hormone free-base in the female genital tissue, acts as a ligand and, by activate the oestrogen receptors found on the surfaces of brain cells, causes notable changes in behaviour. Professors at Yale University have studied the effects of oestrogen and found the hormone increases aflutter connectivity in the brain resulting in a more accurate memory. Turnham et al (2002) supports this as upon investigation... ...o carry out a perfect experiment and thus all evidence will be flawed. It is necessary to focus upon evaluating the bitterness of such flaws. One could argue that the biosocial theory is more convincing as th e many strengths of the socio-biological and social learning theories are combined providing a conceivable explanation. This also means the scientific facts in the socio-biological theory are no longer undermined but indeed strengthened by evidence to support learnt gender-appropriate behaviours. The biosocial theory allows for some(prenominal) schools of thought to be equally considered. Overall the Hegelian dialectic mechanism can be applied the hypothesis, in this carapace the socio-biological explanation, and the antithesis, the social learning paradigm, must co-exist to produce the resulting synthesis, gender-appropriate behaviours. Thus girls are both born and made.