News tagged with asexuality
Researcher argues that sex reduces genetic variation
Biology textbooks maintain that the main function of sex is to promote genetic diversity. But Henry Heng, Ph.D., associate professor in WSU's Center for Molecular Medicine and Genetics, says that's not the case.
Jul 07, 2011 |
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Girl power: Female boa constrictor doesn't need a male
In a finding that upends decades of scientific theory on reptile reproduction, researchers at North Carolina State University have discovered that female boa constrictors can squeeze out babies without mating.
Nov 03, 2010 |
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Study shows how ancient plants and soil fungi turned the Earth green
A new breakthrough by scientists at the University of Sheffield has shed light on how the Earth's first plants began to colonise the land over 470 million years ago by forming a partnership with soil fungi.
Nov 02, 2010 |
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Biologists identify influence of environment on sexual vs. asexual reproduction
Evolutionary biologists at the University of Toronto have found that environment plays a key role in determining whether a species opts for sexual over asexual reproduction.
Oct 14, 2010 |
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Can clonal plants live forever?
Despite the many cosmetic products, surgical treatments, food supplements, and drugs designed specifically to reverse the biological effects of aging in humans, long-lived aspen clones aren't so lucky. Researchers at the ...
Aug 17, 2010 |
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Asexual plant reproduction may seed new approach for agriculture
An HHMI scientist has moved a step closer to turning sexually-reproducing plants into asexual reproducers, a finding that could have profound implications for agriculture.
Mar 08, 2010 |
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Rotifers avoid sex for millions of years by blowing away
(PhysOrg.com) -- They haven't had sex in some 30 million years, but some very small invertebrates named bdelloid rotifers are still shocking biologists - they should have gone extinct long ago. Cornell researchers ...
Jan 28, 2010 |
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Study shows value of sexual reproduction versus asexual reproduction
Living organisms have good reason for engaging in sexual, rather than asexual, reproduction according to Maurine Neiman, assistant professor of biology in the UI College of Liberal Arts and Sciences and researcher in the ...
Jan 21, 2010 |
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Ant has given up sex completely, researchers say
The complete asexuality of a widespread fungus-gardening ant, the only ant species in the world known to have dispensed with males entirely, has been confirmed by a team of Texas and Brazilian researchers.
Aug 26, 2009 |
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Study finds role for parasites in evolution of sex
What's so great about sex? From an evolutionary perspective, the answer is not as obvious as one might think. An article published in the July issue of the American Naturalist suggests that sex may have evolved in part a ...
Jul 06, 2009 |
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Birds do it, bees do it; termites don't, necessarily
Scientists at North Carolina State University and three universities in Japan have shown for the first time that it is possible for certain female termite "primary queens" to reproduce both sexually and asexually ...
Mar 26, 2009 |
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