Discuss the role of sexual selection in human reproduction

Topics: Reproduction, Sex, Sexual dimorphism Pages: 3 (883 words) Published: February 19, 2014
Sexual Selection Sexual selection is the process whereby individuals advertise both their own requirements in a mate and their own attractive characteristics as a mate. Selection involves attracting the mate with the greatest fitness whilst at the same time maximising the chances of being selected as 'fit' themselves. Fitness in the context of evolution theory refers to the ability to reproduce and leave offspring. How animals select their mate is crucial to the species as it has a direct effect on the gene structure within their populations, and an effect on the future of the entire gene pool. There are two types of sexual selection. Intra-sexual selection refers to competition for reproductive success between members of the same sex - for instance males competing with other males for reproductive opportunities. An example of this is the way in which male stags fight over females. Inter-sexual selection refers to selection by females choosing from the available pool of male mates on the basis of features which they find desirable. For example, a female stickleback will choose a male to fertilise her eggs on the basis of how beautiful the nest that he has created. Ridley says that in the past 100,000 years the human species has hardly evolved, therefore our psychology is similar to when we were hunter gatherers. This means that males have to find ways to ensure their reproductive success, and a way to attract females is to show that they have the right characteristics and traits. Some examples of characteristics are wealth, intelligence and strength. This have been supported by a study conducted into mate preferences by Buss (1989). Buss explored what males and females looked for in a marriage partner. The study involved over 10,000 participants from 37 different cultures. These results showed that women more than men desired mates who were...
Continue Reading

Please join StudyMode to read the full document

You May Also Find These Documents Helpful

  • Discuss the relationship between sexual selection and human reproductive behaviour Essay
  • Essay about Discuss the Relationship Between Sexual Selection and Human Reproductive Behaviour
  • Sexual Selection and Human Reproductive Behaviour Essay
  • Discuss the Relationship Between Sexual Selection and Human Reproductive Behaviour. Essay
  • Essay on Critically Discuss the Relationship Between Human Reproductive Behaviour and Sexual Selection (24 Marks)
  • Sexual Selection Essay
  • Essay on Sexual Selection
  • Essay about Discuss the relationship between sexual selection and human reproductive behaviour

Become a StudyMode Member

Sign Up - It's Free