Tag: natural selection
No Positive Selection, No Darwin: A New Non-Darwinian Mechanism for the Origin of Adaptive Phenotypes
Even oft-cited examples such as Darwin’s finches and antibiotic resistance appear to typically involve no more than phenotypic plasticity and the selection of irreducibly complex traits already in existence.
Fact-Checking Wikipedia on Common Descent: The Evidence from Comparative Physiology and Biochemistry
It is important, in evaluating these arguments, that one consider all the evidence: not just the evidence that is consistent. It seems to me that when this is done, the arguments for common descent — certainly in its universal sense — are, at best, inconclusive.
The English Translation of “New Work by Thornton’s Group”
Turning a protein shaped to do one particular job into a protein that does just a slightly different job (which most biologists, including myself, had thought would be as easy as pie) turned out to be much more difficult than expected.
