Article
A reduction of mitochondrial DNA molecules during embryogenesis explains the rapid segregation of genotypes.
Nature genetics - 1 Feb 2008
Cree Lynsey M, Samuels David C, de Sousa Lopes Susana Chuva, Rajasimha Harsha Karur, Wonnapinij Passorn, Mann Jeffrey R, Dahl Hans-Henrik M, Chinnery Patrick F
Abstract excerpt
Mammalian mitochondrial DNA (mtDNA) is inherited principally down the maternal line, but the mechanisms involved are not fully understood. Females harboring a mixture of mutant and wild-type mtDNA (heteroplasmy) transmit a varying proportion of mutant mtDNA to their offspring. In humans with mtDNA disorders, the proportion of mutated mtDNA inherited from the mother correlates with disease severity. Rapid changes...
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