From a new paper by Behar et al: ~ "Mutational events along the human
mtDNA phylogeny are traditionally identified relative to the revised
Cambridge Reference Sequence, a contemporary European sequence published
in 1981. This historical choice is a
continuous source of inconsistencies, misinterpretations, and errors in
medical, forensic, and population genetic studies. Here, after having
refined the human mtDNA phylogeny to an unprecedented level by adding
information from 8,216 modern mitogenomes, we propose switching the
reference to a Reconstructed Sapiens Reference Sequence, which was
identified by considering all available mitogenomes from Homo
neanderthalensis. This “Copernican” reassessment of the human mtDNA tree
from its deepest root should resolve previous problems and will have a
substantial practical and educational influence on the scientific and
public perception of human evolution by clarifying the core principles
of common ancestry for extant descendants."
Click the link to see the phylotree. Looking at the defining markers on it, I'm still a U5b using this system of classification.Here is the full article.
Saturday, April 21, 2012
Updated Haplogroup U Phylotree
Posted by Lori at 1:47 AM
Labels: genetic notes, U5b
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