The 'in-law effect': Male fruit flies sleep around but females keep it in the family
Wednesday, September 25, 2013 - 14:00
in Biology & Nature
A study of mating preferences in fruit flies (Drosophila) has found that males and females respond to the sexual familiarity of potential mates in fundamentally different ways. While male fruit flies preferred to court an unknown female over their previous mate or her sisters, female fruit flies displayed a predilection for their 'brothers-in-law'.