Sexual Selection

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  • Created by: Ana
  • Created on: 24-01-10 23:11

Darwin (1874) Theory of sexual selection:

Intrasexual selection (mate competition) - Members of one sex compete with each other for access to members of the other sex. The victors are able to mate and so pass on their genes.

Intersexual selection (mate choice) - This form of selection involves the preferences of one sex for members of the opposite sex who possess certain qualities. The preferences of one sex determine the areas in which the other sex must compete.

Buss (1989) explored what males and females looked for in a marriage partner. The study involved over 10,000 people from 37 different cultures.

Results showed that women more than men desired mates who were 'good financial prospects'. Mean placed more importance on physical attractiveness which provide cues to a woman's health and hence her reproductiva value. Men universally wanted mates who…


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