Males that dominate may be harmful to the viability of a population, finds a new study.
A new model by Imperial College London and the University of Lausanne researchers is showcasing how ‘good genes’ can sometimes cause a population to collapse, and the result is not pretty.It all has to do with sexual competition.
This indicates that traits that improve a male’s competitive prowess can sometimes damage females. A good example of this is how some insect males have evolved penises that tear the females’ insides, and in many species, including mammals, males have evolved to harass females to induce mating.“Male harm evolved in nature as something that was supposed to be good, but is detrimental to females and the whole population.
t project supervisor and study co-author Professor Vincent Savolainen, Director of the Georgina Mace Centre for the Living Planet at Imperial.
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