Article
Virgin birth in a hammerhead shark.
Biology letters - 22 Aug 2007
Chapman Demian D, Shivji Mahmood S, Louis Ed, Sommer Julie, Fletcher Hugh, Prodöhl Paulo A
Abstract excerpt
Parthenogenesis has been documented in all major jawed vertebrate lineages except mammals and cartilaginous fishes (class Chondrichthyes: sharks, batoids and chimeras). Reports of captive female sharks giving birth despite being held in the extended absence of males have generally been ascribed to prior matings coupled with long-term sperm storage by the females. Here, we provide the first genetic evidence for...
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