News tagged with sperm competition

Testis size matters for genome evolution

In many primates, females mate with multiple partners, causing an often-intense competition amongst males to pass along their DNA to be king of the genome as well as the jungle.

dateMar 05, 2014 in Evolution
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Big sperm don't always win the race

When females mate with more than one male, each one's sperm has to compete to get to her eggs. Until now, researchers had thought the fastest sperm would dominate.

dateJan 31, 2014 in Evolution
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Females fight back in sperm wars

(Phys.org) —Females exposed to a risk of sperm competition have been found to produce more defensive ova compared to the eggs of females reared under no risk of sperm competition, according to researchers at The University ...

dateOct 17, 2013 in Plants & Animals
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