Article
Chromosome races with Pliocene origins: evidence from mtDNA.
Heredity - 1 Mar 2001
Morgan-Richards M, Trewick S A, Wallis G P
Abstract excerpt
There are eight distinct chromosomal races of the New Zealand weta Hemideina thoracica. We used mtDNA sequence data to test the hypothesis that these races originated on islands during the early Pliocene (7--4 million years ago). Nine major mitochondrial lineages were identified from 65 cytochrome oxidase I sequences. Phylogenetic analysis of these lineages suggests that they arose at approximately the same time....
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