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Why some people are more attractive than others

ed today (28 March 2007) in the academic journal, Heredity, part of the Nature Publishing Group.

Professor Petrie, of the Evolution and Behaviour Research Group in the School of Biology at Newcastle University, said: 'We started this research ten years ago and our model has now produced a good fit with what we observe in terms of genetic variation, which leads us to believe that our theory is correct.' 'We find that sexual selection can promote genetic diversity despite expectations to the contrary.'

In 2005, Professor Petrie and colleagues demonstrated that men with greater genetic diversity in disease defence regions of the genome and therefore better prospects of passing disease resistance to their offspring had a number of physical features which women found attractive. The research involved testing men for genetic diversity and showing photographs of them to women, who allocated scores for attractiveness. These scores were found to correlate strongly to genetic diversity.


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Contact: Marion Petrie
marion.petrie@ncl.ac.uk
1-912-225-126
University of Newcastle upon Tyne
27-Mar-2007


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