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"Virgin Births" Won't Save The Smalltooth Sawfish From Extinction

The critically endangered smalltooth sawfish was recently found to be capable of asexual reproduction. It’s an exciting discovery for many reasons, but breathless claims by the media that sawfish could save their species from extinction by resorting to virgin births are wrong, wrong, wrong. Let’s explore why. » 6/18/15 6:40pm 6/18/15 6:40pm

How scientists tried to confirm a "virgin birth" long before DNA testing

In the 1950s, geneticist Helen Spurway learned of a woman, Emmimarie Jones, who claimed that her daughter had been born without a father. Spurway had studied parthenogenesis in fish, and was curious as to whether a so-called "virgin birth" was possible in humans. But decades before DNA profiling, how could she confirm… » 8/19/12 1:00pm 8/19/12 1:00pm