Article: HIPPOS GENETICALLY LINKED TO WHALES.(News)

One has no legs and swims in the ocean, and the other has four legs and lives in rivers, but a genetic study shows that the whale and the hippo are close relatives in evolutionary history.

The study, by researchers at the Tokyo Institute of Technology in Japan and Pennsylvania State University at University Park, Pa., compared gene sequences from the minke whale, the sperm whale and the hippopotamus.

It found the diverse animals share a sequence of genes inherited from an ancient common ancestor.

A report of the study appears today in the Proceedings of the National Academy of Sciences.

The study found that the camel, pig, giraffe, ...

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