genetic ancestry testing

Genetic Future

Category archives for genetic ancestry testing

Dan Vorhaus pointed me to this review of the recent PBS series Faces of America. I haven’t seen the series myself, but I found this segment of the review hilarious: The element of the last PBS episode I found most intriguing was Gates’ interview with novelist Louise Erdrich, who declined to have her DNA tested…

Last week I noted a highly controversial plan by the UK Border Agency to begin using DNA and isotope testing to help determine the geographical origins of refugees, for use in making decisions about whether or not to grant asylum.  A reader has just pointed me to this recent post on ScienceInsider indicating an apparent…

ScienceInsider reports that plans by the UK Border Agency to employ DNA and isotope testing to test the origins of asylum seekers are being met with outrage by scientists and refugee advocates. There’s not much information about the precise tests that will be employed, but what information has been made available has horrified a number…

Genetic genealogist Blaine Bettinger explores the results of his ancestry testing from 23andMe, and compares it to previous results from a much lower-resolution test. The main message: the hundreds of thousands of genetic markers used by 23andMe (and other personal genomics companies, e.g. deCODEme) to infer genetic ancestry  provide a much more detailed and accurate…

Welcome to the 42nd edition of Gene Genie, the blog carnival of clinical genetics and personalised medicine. Most of the entries in this edition fall under the broad umbrella of personalised genetics, with posts emphasising both the pros and cons of the emerging consumer genetic testing industry. The promise and perils of personalised genetics Hsien-Hsien…

Following the dramatic appearance of the field of personal genomics just over a year ago the major players in the field have worked hard to distinguish themselves from their competition: 23andMe has emphasised the intellectual joy of learning about genetics, and also attempted to actively engage its customers in the company’s research projects; deCODEme has…

There’s a new paper in the American Journal of Human Genetics following on from the paper on the genetics of metabolic traits that I posted on earlier in the week. This study explicitly focuses on the population structure of the Finns, and includes these maps showing the correlation between geography and genetics within Finland and…

A few days ago I posted a picture depicting the genetic ancestry of African-Americans modelled as a linear combination of European and Nigerian genetic clusters (reproduced below). Dienekes has some thoughtful comments on the same picture. Meanwhile, Razib comments on a post from Ed Yong discussing the social flexibility of race. Ed cites a survey…

In my previous post on Finnish population clustering I should have emphasised that the map was constructed only from individuals who had both parents from the same geographic/linguistic region; this obviously provides a lot more power to detect a correlation. The close match between genetic and geographic ancestry in these selected individuals indicates that there…

Genetics and geography in Finland

Here’s a figure from a brand new paper on the genetics of metabolic traits in a large Finnish cohort (which I’ll be posting about in more detail shortly): On the left is a map of the counties the samples were collected from, colour-coded by geographical/linguistic group; on the right is the genetic clustering of the…