‘Sex, lasers and male competition:’ fruit flies win genetic race with rivals – Phys.org

Scientists have accepted natural selection as a driver of evolution for more than 160 years, thanks to Charles Darwin.
But University of Cincinnati biologist Michal Polak says Darwin’s book “The Descent of Man” only tells part of the story. Sometimes when the victor vanquishes his sexual rival, the quest to pass genes to the next generation is just beginning.
According to a new UC study published in the journal Current Biology, male fruit flies with the most impressive sexual ornamentation also…

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