Nuestra Tiberone de la Conception, Hammerhead shark, Sphyrna zygaena
A female hammerhead shark gave birth to a pup in the Henry Doorly Zoo in Nebraska in 2001 despite having no contact with a male shark. Thanks to new DNA profiling technology, scientists have been able to show conclusively that the shark pup contained no genetic material from a male. Before you whip out your Book of Revelations and start begging for forgiveness, you should know that this is an example of a naturally occurring phenomenon called parthenogenesis. In parthenogenesis, egg cells develop as an embryo without the…
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