Article
Transitions to asexuality result in excess amino acid substitutions.
Science (New York, N.Y.) - 17 Feb 2006
Paland Susanne, Lynch Michael
Abstract excerpt
Theory predicts that linkage between genetic loci reduces the efficiency of purifying selection. Because of the permanent linkage of all heritable genetic material, asexual lineages may be exceptionally prone to deleterious-mutation accumulation in both nuclear and organelle genes. Here, we show...
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