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A female American crocodile laid fertilized eggs in a Costa Rica zoo, after being in isolation for 16 years. Facultative Parthenogenesis, or virgin birth, is common in reptiles, fish, birds, and other animals, but this is the first time it has been documented in crocodiles.

 

Photo by: https://pixabay.com/photos/nile-crocodile-animal-zoo-crocodile-245013/

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Eggs made from male mice

A breakthrough at Osaka university of Japan; eggs were created from male mice cells. It is done by separating the XY chromosomes, then adding another

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