Human blood types have deep evolutionary roots
ABO system may date back 20 million years or more
By Rachel Ehrenberg, 13:36 PM October 23, 2012
Chimps, gibbons and other primates are not just humans’ evolutionary cousins; a new analysis suggests they are also our blood brothers. The A, B and O blood types in people evolved at least 20 million years ago in a common ancestor of humans and other primates, new research suggests.
The analysis deepens a mystery surrounding the evolutionary history of the ABO blood system, and should prompt further research into why the different blood groups have persisted over time, Laure Ségurel of the...
Source URL: https://www.sciencenews.org/article/human-blood-types-have-deep-evolutionary-roots