Researchers at University of Vermont publish new data on evolution.

Science Letter | November 10, 2009 | Copyright

"A central assumption of quantitative genetic theory is that the breeder's equation (R = GP-1S) accurately predicts the evolutionary response to selection. Recent studies highlight the fact that the additive genetic variance-covariance matrix (G) may change over time, rendering the breeder's equation incapable of predicting evolutionary change over more than a few generations," investigators in the United States report (see also Evolution).

"Although some consensus on whether G changes over time has been reached, multiple, often-incompatible methods for comparing G ...

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