Females influence the gender of their offspring so they inherit either their mother's or grandfather's qualities. 'High-quality' females – those which produce more offspring – are more likely to have daughters. ...
Plants & Animals
Jan 9, 2012
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Great tits who have as many sons as daughters acquire more grandchildren than great tits with an uneven family composition. That is because their children are reproductively more successful concludes NWO researcher Reinder ...
Plants & Animals
Dec 19, 2011
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Scientists are a step closer to explaining one of the most enduring mysteries of modern biology; why are there males and females?
Evolution
Dec 19, 2011
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An experimental evolutionary study on house mice (Mus musculus) has found multiple mating is beneficial for both males and females.
Plants & Animals
Nov 24, 2011
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(PhysOrg.com) -- Oxitec, a British company spun off from Oxford University has announced the results of its field test of genetically altered mosquitoes to combat the infamous dengue fever. As they report in their paper published ...
(PhysOrg.com) -- Recently an eastern diamond-backed rattlesnake gave birth to 19 offspring; not exactly headline news, except for the fact that the female had been separated from any male snakes for five years. What’s ...
Cichlid male nannies help out, especially if they've been sneaking.
Plants & Animals
Oct 12, 2011
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It is not the superior genes of the father, but the mother's resource investment in the eggs that makes Zebra Finch males particularly attractive. A Swiss-Australian research team lead by evolutionary ecologists at the University ...
Plants & Animals
Sep 29, 2011
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It's all about the grandkids! That's what a team led by an Indiana University biologist has learned about promiscuous female birds and why they mate outside their social pair.
Plants & Animals
Aug 31, 2011
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Fish with a placenta struggle to adapt to rapid changes in the food supply. They probably evolved in a stable, food-rich environment. As ecosystems change under the influence of humans, they are experiencing greater difficulty ...
Ecology
Jul 11, 2011
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