By Jason Dorrier on Apr 11, 2013 08:25 am
Scientists may soon bring a species of frog (Rheobatrachus silus or the gastric brooding frog) back from the dead. The frog—which bizarrely swallowed its eggs, incubated them in its stomach, and gave birth to them through its mouth—has been extinct since 1984. However, researchers from the University of New South Wales harvested dead cell nuclei, frozen in the 70s, and implanted them in a living egg of a different but related frog species. Some of the eggs began to divide into early embyros, and the researchers were able to confirm the genetic material in the dividing cells was a match.
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