Front end loading (Introduction)

by David Turell @, Friday, October 03, 2008, 20:05 (5893 days ago) @ Carl

Carl: I read the article you presented. I interpret it to mean they used living sea anemones and sponges which antidate bilaterians in evolution. Bilaterians appeared just before the Cambrian explosion over 550 million years ago. The scientists appear to have assumed that RNA was present in the genetic material from the appearance of the animals in evolution a billion years ago.


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