Unequal transmission of mitochondrial haplotypes in natural populations of field mice with XY females (genus Akodon).

Abstract excerpt

In species with fertile XY females, such as South American field mice (genus Akodon), there are two types of mitochondrial DNA (mtDNA), one passing from XX females and one from XY females. The XX mothers pass their mtDNA to their XX daughters. The XY mothers, however, produce both XX and XY daughters. Because of this breeding scheme, the XY mtDNA remains isolated whereas the XX lineage is continuously invaded by...

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