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 Razib Khan Archive / ClassicsBlog
Credit: Characterizing the admixed African ancestry of African Americans
My own inclination has been to not get bogged down in the latest race and IQ controversy because I don't have that much time, and the core readership here is probably not going to get any new information from me, since this is not an area of hot novel research. But that doesn't mean the... Read More
A few years ago I put up a post, WORDSUM & IQ & the correlation, as a "reference" post. Basically if anyone objected to using WORDSUM, a variable in the General Social Survey, then I would point to that post and observe that the correlation between WORDSUM and general intelligence is 0.71. That makes sense,... Read More
John Hawks illustrates what can be gained at the intersection of old data and analysis and new knowledge, Quote: Boyd on New World pigmentation clines: Looking at what was said about pigmentation generations ago is of interest because it's a trait which in many ways we have pegged. See Molecular genetics of human pigmentation diversity.... Read More
In the early 20th century there was a rather strange (in hindsight) debate between two groups of biological scientists attempting to understand the basis of inheritance and its relationship to evolutionary processes. The two factions were the biometricians and Mendelians. As indicated by their appellation the Mendelians were partisans of the model of inheritance formulated... Read More
In 2003 a groundbreaking historical genetics paper reported results which indicated that a substantial proportion of men in the world are direct line descendants of Genghis Khan. By direct line, I mean that they carry Y chromosomes which seem to have come down from an individual who lived approximately 1,000 years ago. As Y chromosomes... Read More
An urban myth, often asserted with a wink & a nod in some circles, is that a very high proportion of children in Western countries are not raised by their biological father, and in fact are not aware that their putative biological father is not their real biological father. The numbers I see and hear... Read More
The Hapsburgs are one of those royal families who are relatively well known, and in the minds of the public are to a great extent the emblems of the downsides of inbreeding. To painting to the left is of Charles II, king of Spain, the last of the Spanish Hapsburgs, and an imbecile whose premature... Read More
Carl Zimmer pointed me to a new paper, A genome-wide genetic signature of Jewish ancestry perfectly separates individuals with and without full Jewish ancestry in a large random sample of European Americans. The title is so informative that pasting the abstract is almost unnecessary, but here is the conclusion which gets to the point: There... Read More
Razib Khan
About Razib Khan

"I have degrees in biology and biochemistry, a passion for genetics, history, and philosophy, and shrimp is my favorite food. If you want to know more, see the links at"