Female choice benefits mothers more than offspring

The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...

Size matters—the more DNA the better

A new study from researchers at Uppsala University shows that variation in genome size may be much more important than previously believed. It is clear that, at least sometimes, a large genome is a good genome.

Good males are bad fathers

Contrary to predictions, males of high genetic quality are not very successful when it comes to fertilizing eggs. A new study on seed beetles by Swedish and Danish scientists Göran Arnqvist and Trine Bilde shows that when ...

Aggressive male mating behavior can endanger species

Aggressive male mating behavior might well be a successful reproductive strategy for the individual but it can drive the species to extinction, an international research team headed by evolutionary biologist Daniel Rankin ...

Seed beetle 'kicks' sign of antagonistic coadaptation

New research from The University of Western Australia's Centre for Evolutionary Biology has found evolutionary kicking behaviour of female seed beetles (Callosobruchus maculatus) has been 'hi-jacked' by males to promote their ...

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