Scientists Find ‘Virgin Birth’ in Smalltooth Sawfish

A new study, led by Dr Demian Chapman from Stony Brook University, documents the first known cases of parthenogenesis – the ability of sexually reproducing species to sometimes produce offspring asexually – in a wild vertebrate, the smalltooth sawfish (Pristis pectinata). Earlier evidence that vertebrates might sometimes reproduce via parthenogenesis had primarily come from a [...] —> Read More