Wednesday, May 19, 2010


Testing the common ancestry of life

"The question of whether or not all life on Earth has an ultimate common origin is a subtle one, complicated by the phenomenon of lateral gene transfer. It has now been tackled with a formal statistical analysis. [...]Theobald's work is unlikely to be the last word on common ancestry. It is difficult to exclude all other explanations for correlations, and further work will probably address this problem. In the meantime, there is now strong quantitative support, by a formal test, for the unity of life." Full news article @ Nature

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