Art and Science of Laboratory Medicine. Clinical laboratory and biomedical science related news, abstracts and images for medical laboratory professionals, students and other laboratory geeks.
Wednesday, March 6, 2013
Human Y chromosome much older than previously thought
The discovery and analysis of an extremely rare African American Y chromosome pushes back the time of the most recent common ancestor for the Y chromosome lineage tree to 338,000 years ago. This time predates the age of the oldest known anatomically modern human fossils.
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