Shark Messiah Confirmed

In the wake of Mary Cheney’s new baby, scientists have confirmed a virgin birth among sharks:

A team of American and Irish researchers have discovered that some female sharks can reproduce without having sex, the first time that scientists have found the unusual capacity in such an ancient vertebrate species. … Researchers have observed parthenogenesis in certain species of birds, reptiles, amphibians and bony fishes, but the new finding suggests that vertebrates’ ability to reproduce without sex evolved much earlier than scientists had thought.







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