News tagged with genetic quality

Monogamous birds... peeping on the neighbors!

(PhysOrg.com) -- It is well documented that male birds seduce females using their songs, colourful plumage and courtship dances. These signals reflect male genetic quality and will be graded by the female ...

Biology / Plants & Animals

created Jan 27, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Of frogs, chickens and people: Highly conserved dual mechanism regulates both brain development, function

Researchers at the University of California, San Diego School of Medicine have uncovered new details of an unusual biological mechanism in the brains of diverse species that not only helps regulate how their ...

Medicine & Health / Research

created May 19, 2011 | popularity 4.7 / 5 (3) | comments 2 | with audio podcast

Poor quality teachers may prevent children from reaching reading potential, study finds

When it comes to early reading, a bad teacher can prevent children from reaching their full potential.

Other Sciences / Social Sciences

created Apr 22, 2010 | popularity 4 / 5 (5) | comments 4 | with audio podcast

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 ...

Biology / Plants & Animals

created Jun 25, 2009 | popularity 3.8 / 5 (4) | comments 2

Study fuels debate about why female birds seek extra mates

When female birds mate with males other than their social partners and have broods of mixed paternity, the offspring sired by these "extra-pair" fathers may often get a head start in life, according to a new report published ...

Biology / Plants & Animals

created Apr 30, 2009 | popularity 5 / 5 (1) | comments 0

Analysis of the effects of a cow's genetic predisposition on the composition of its milk

The genetic predisposition of cows has an effect on the fat and protein content of their milk. Researchers at Wageningen University have spent the past few years examining the scope and significance of genetic variation between ...

Biology / Biotechnology

created Apr 29, 2009 | popularity 5 / 5 (1) | comments 0