Rapid evolution or epigenetics? (Introduction)

by David Turell @, Tuesday, February 22, 2011, 21:45 (5023 days ago)

We know taht evolution can be rapid, when dangers confront a species. The NY Times has an article which discusses the 50 year change in an endangered fish in the Hudson river from PCB contamination. A block of six bases was deleted from one gene to accomplish the feat. The mechanism for the gene change is not known.-http://green.blogs.nytimes.com/2011/02/18/speedy-evolution-indeed/


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