Genes may be to blame for infidelity

Some people may be genetically programmed to be unfaithful to their partner, a scientist has claimed. ... Focusing on women, he found that if one of a pair of twins had a history of infidelity, the chances her sister would also stray were about 55%. In general it is estimated that just 23% of women are not faithful.

2004-06-07

 sex evolution attraction genetics love infidelity women fidelity

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