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.

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 have discovered ...

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 as ...

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 ...

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