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.
Art and Science of Laboratory Medicine
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.