Y TMRCA Calculator as a Web App
The Y DNA (STR) TMRCA calculator can now be accessed as a web application with full functionality here:http://ehelix.pythonanywhere.com/It is also embedded in this blog in a new page (above)UPDATE...
View ArticleEthiopian YDNA J STR Analysis - An addendum
In the past, I had carried out a TMRCA (STR) analysis of YDNA haplogroup J haplotypes from Ethiopia using the primary dataset from the Plaster thesis that was discussed here. While that particular...
View ArticleComprehensive Ethiopian YDNA TMRCA Estimates
Find below a comprehensive list for all central TMRCA estimates calculated from the Plaster thesis for 6 UEPs (look at this post under Interactive Chart of Figure 3.2 for the frequencies of the UEPs)....
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YDNA E-M123; A closer look
E-M123 (as well as E-M34) was first discovered by Underhill(2000) and is found with a low to medium frequency distribution in East Africa and the Middle East, while it has a low frequency distribution...
View ArticlemtDNA from Southern Africa
Reference mtDNA from Southern Africa from the pre-print "Migration and interaction in a contact zone: mtDNA variation among Bantu-speakers in southern Africa" (Thanks to Maju for the referral)
View ArticleWas skin cancer a selective force for black pigmentation in early hominin...
Some excerpts from a very interesting read, I suggest reading the whole article here:http://rspb.royalsocietypublishing.org/content/281/1781/20132955.fullDark or black skin lowers the risk of...
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The $1,000 genome
.................The price of sequencing an average human genome has plummeted from about US$10 million to a few thousand dollars in just six years (see ‘Falling fast’). That does not just outpace...
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Modeling 3D Facial Shape from DNA
While still at its infancy, this technology is quite fascinatingAbstractHuman facial diversity is substantial, complex, and largely scientifically unexplained. We used spatially dense quasi-landmarks...
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Median Joining Networks
This post will be dedicated to YSTR median joining networks I will be creating using the Fluxus Network Software©The Y TMRCA calculator now also has the capability to create the input file necessary...
View ArticleGenomic and cranial phenotype data support multiple modern human dispersals...
SignificanceCurrent consensus indicates that modern humans originated from an ancestral African population between ∼100–200 ka. The ensuing dispersal pattern is controversial, yet has important...
View ArticleMutation rate of the nuclear genome is getting a fossil calibration
The SMBE 2014 conference is showcasing a presentation where a 45,000 year old genome is being fully sequenced by Fu et al. and where the sequence will be used to calibrate, to my knowledge for the...
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East African Climate on Hominin Evolution , Archaelogical evidence for...
East African climate pulses and early human evolutionAbstractCurrent evidence suggests that all of the major events in hominin evolution have occurred in East Africa. Over the last two decades, there...
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Statisitics on African born immigrants in the U.S.
I stumbled upon an interesting article in the WP that led me to a recently released brief by the US Census Bureau outlining some interesting stats on the growing demography of Africans in America.The...
View ArticleAssumptions on the genesis of artistic expression in humans shattered by...
Hand stencils and paintings of pigs found in Indonesian caves are cause for experts to rethink the genesis of artistic expression in humans according to a new publication in nature.Archaeologists have...
View ArticleNovel genomic signals of recent selection in an Ethiopian population
Fasil Tekola-Ayele, Adebowale Adeyemo, Guanjie Chen, Elena Hailu, Abraham Aseffa, Gail Davey, Melanie J Newport and Charles N RotimiAbstractThe recent feasibility of genome-wide studies of adaptation...
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SNP vs. STR YDNA TMRCA Estimation
An interesting comparison of YDNA TMRCA estimates using the SNP counting method and STRs (with both pedigree and Zhivotovsky rates as well as rho and ASD methods) can be found in a recently published...
View ArticleGenes & Language, Impact of Oldest Butchering Tools on Communication,...
A comparison of worldwide phonemic and genetic variation in human populationsAbstractWorldwide patterns of genetic variation are driven by human demographic history. Here, we test whether this...
View Article'Smoking gun' found for the Out of Africa Theory
An Israeli anthropologist, Israel Hershkovitz, claims that he and his team have found the archaeological smoking gun for the Out of Africa theory, a theory which has been genetically reinforced for the...
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SNP based module added to the Y TMRCA calculator
The solely STR based Y TMRCA calculator now also can accept SNP based input to compute the TMRCA of a node. Instructions and methodology can be found within the app at the link...
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New NGS study of the Y DNA
A new Y-DNA study has appeared using Next Generation Sequencing, where ~9 Mb of the Y Chromosome was sequenced for 456 samples (299 of which were new) some preliminary observations are outlined...
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Revised Timeline and Distribution of the Earliest Diverged Human Maternal...
AbstractThe oldest extant human maternal lineages include mitochondrial haplogroups L0d and L0k found in the southern African click-speaking forager peoples broadly classified as Khoesan. Profiling...
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More Ethiopian Uniparental Data (More resolution.. less clarity)
A new paper attempting to decipher the out of Africa exit route by focusing on Ethiopian and Egyptian autosomal genetics was published a couple of weeks ago. Putting aside the 'hocus pocus' autosomal...
View ArticleSudan MTDNA
Find below relative frequencies for Sudanese MTDNA from a thesis entitled "Genetic Patterns of Y-chromosome and Mitochondrial DNA Variation, with Implications to the Peopling of the Sudan", the entire...
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Improved resolution of E-M215 (aka E3b / E1b1b)
A new paper has appeared with a a focus on Haplogroup E, and mostly focused on E-M215 and E-M35, with a moderate level of improvement in resolution from what we used to know.Basically, at first glance,...
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Ugandan mtDNA
Unfortunately I can not find the detailed breakdown of the mtDNA frequencies for the populations sampled in the supplemental materials for this paper, and hence can not build my sortable frequency...
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