News tagged with sexual reproduction
Why sex with a partner is better (w/ Video)
Oct 21, 2009 |
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(PhysOrg.com) -- OK, it takes two for human reproduction, and now it seems that plants and animals that can rely on either a partner or go alone by self-fertilization give their offspring a better chance for ...
Sex in the Caribbean: Environmental change drives evolutionary change -- eventually
Jul 29, 2009 |
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Hungry, sexual organisms replaced well-fed, clonal organisms in the Caribbean Sea as the Isthmus of Panama arose, separating the Caribbean from the Pacific, report researchers from the Smithsonian Tropical ...
Parasites keep things sexy in 'hotspots'
Jul 23, 2009 |
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The coevolutionary struggle between a New Zealand snail and its worm parasite makes sex advantageous for the snail, whose females favor asexual reproduction in the absence of parasites, say Indiana University ...
Sex involved in plant defense
Jul 13, 2009 |
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Why do some plants defend themselves from insect attacks better than others? New evidence shows that the difference might be due to whether they're getting any plant love.
Genetic interactions are the key to understanding complex traits
Biology /
Jan 22, 2009 |
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In recent years, genetic studies have uncovered hundreds of DNA variations linked to common diseases, such as cancer or diabetes, raising the prospect that scientists can gauge disease risk based on information ...
Flexibility trumps fitness in sexual reproduction, says new theory in evolutionary biology
Biology /
Nov 24, 2008 |
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Berkeley - The utility of sex, according to an intriguing new theory of evolutionary biology, may be its ability to promote genes that play well with many other partners rather than those that shine with just one specific ...
Tiny fungi may have sex while infecting humans
Oct 30, 2008 |
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A fungus called microsporidia that causes chronic diarrhea in AIDS patients, organ transplant recipients and travelers has been identified as a member of the family of fungi that have been discovered to reproduce sexually. ...
