Author: Zhao, Huabin; Ru, Binghua; Teeling, Emma C.; Faulkes, Christopher G.; Zhang, Shuyi; Rossiter, Stephen J.
Title: Rhodopsin Molecular Evolution in Mammals Inhabiting Low Light Environments Document date: 2009_12_16
ID: 02uqygfs_55
Snippet: Finally, we tested whether v was on average higher in groups of related key taxa than in the background tree by implementing Clade Model C, which includes three site classes. Classes 0 and 1 represent purifying selection (0,v 0 ,1) and neutral evolution (v 1 = 1), respectively, and are assumed to be shared between the focal clade and the background, whereas the selection pressure at the third site class can differ between the clade and background.....
Document: Finally, we tested whether v was on average higher in groups of related key taxa than in the background tree by implementing Clade Model C, which includes three site classes. Classes 0 and 1 represent purifying selection (0,v 0 ,1) and neutral evolution (v 1 = 1), respectively, and are assumed to be shared between the focal clade and the background, whereas the selection pressure at the third site class can differ between the clade and background (v 2 ?v 3 ).
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