From Fish to Man: Research Reveals How Fins Became Legs.
Science Daily, Dec. 10, 2012 — Vertebrates' transition to
living on land, instead of only in water, represented a major event in
the history of life. Now, researchers reporting in the December issue of
the Cell Press journal Developmental Cell provide new evidence
that the development of hands and feet occurred through the gain of new
DNA elements that activate particular genes.
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