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May 26, 08:00 AM: Jesus Shark?

Hammerhead Shark Gave “Virgin Birth” in Omaha Zoo

Stefan Lovgren for National Geographic News (May 24, 2007)

A hammerhead shark born in a Nebraska zoo in 2001 was the result of a so-called virgin birth, new DNA evidence shows.

The finding marks the first confirmed case of a female shark fertilizing her own eggs and giving birth without sperm from a male, a process known as parthenogenesis.

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  1. Parthenogenesis is seen to occur naturally in aphids, Daphnia, rotifers, nematodes and some other invertebrates, as well as in many plants.


    Jun 20, 03:26 AM

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