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Scientist uncover clues about the evolution of hands

December 17, 2012

Fossils show that limbs evolved from fins, and a new study reveals how it may have happened. Spanish scientists injected a zebrafish with the gene hoxd13, which is from a mouse. (It is also naturally found in the fish but is not expressed as aggressively.) Within 24 hours, all the embryos were developing autopods instead of fins. Researchers believe this could be a first step toward human limb production.

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View the original article here: From Fish to Human: Research Reveals How Fins Became Legs

The GLP featured this article to reflect the diversity of news, opinion and analysis. The viewpoint is the author’s own. The GLP’s goal is to stimulate constructive discourse on challenging science issues.

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