Article
Low mitochondrial variability in birds may indicate Hill-Robertson effects on the W chromosome.
Heredity - 1 Oct 2007
Berlin S, Tomaras D, Charlesworth B
Abstract excerpt
Interference among loci subject to selection (the Hill-Robertson effect) may considerably reduce levels of adaptation and variability in genomic regions that lack recombination. Y- or W chromosomes are particularly vulnerable to such effects, since they represent large, non-recombining blocks of genetic material. In birds, the W chromosome and mitochondrial genomes are both maternally transmitted, and hence fail...
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