Article
Reduced purifying selection prevails over positive selection in human copy number variant evolution.
Genome research - 1 Nov 2008
Nguyen Duc-Quang, Webber Caleb, Hehir-Kwa Jayne, Pfundt Rolph, Veltman Joris, Ponting Chris P
Abstract excerpt
Copy number variation is a dominant contributor to genomic variation and may frequently underlie an individual's variable susceptibilities to disease. Here we question our previous proposition that copy number variants (CNVs) are often retained in the human population because of their adaptive benefit. We show that genic biases of CNVs are best explained, not by positive selection, but by reduced efficiency of...
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