Ancient Chimpanzee 'Adam' Lived Over One Million Years Ago

New research determined the DNA sequences of a large part of the Y chromosome, passed exclusively from fathers to sons, in a set of chimpanzees, bonobos, gorillas and orangutans. The study also looked at mitochondrial DNA (mtDNA), passed from mothers to offspring, in the same set of animals, which allowed the construction of genealogical trees that could be compared between species and subspecies - and helped the researchers to discover that the genetic 'Adam' for chimpanzees lived so far back.

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