All posts tagged with effective population size

Launching genetic diversity to the stars

5 minute read

Popular Mechanics asks, “How Many People Does It Take to Colonize Another Star System?”. The basic problem is that a multigenerational star voyage requires t...

Inbreeding impression

less than 1 minute read

I ran across an io9 article from 2011, “Why inbreeding really isnt as bad as you think it is”, which is topical for some of the genetics I’ll be teaching ove...

Denisova at high coverage

10 minute read

Science today has released the new paper on the Denisova high-coverage genome by Mattias Meyer and colleagues from Svante Pääbo’s group Meyer:Denisova:2012. ...

Mailbag: Denisovan diversity

1 minute read

I just watched the National Geographic documentary "Sex in the Stone Age" and was surprised by the reference to the discovery of a 2nd Denisovan tooth, one w...

Mailbag: mtDNA ancestor and speciation?

1 minute read

I've got a question about something I wrote in a newsgroup in 1995. Okay, that doesn't sound overly urgent, right? The general subject has come up again fo...

New data on Ashkenazi population history

3 minute read

Bray and colleagues Bray:Ashkenazi:2010 report on genotyping of 471 people of Ashkenazi Jewish descent. This is one of the largest samples of a single human ...

Return of the Neanderchimps

7 minute read

Back in 2005, I reviewed the first description of fossil chimpanzee teeth, from the Middle Pleistocene of the Kapthurin Formation, Kenya, dating to around 50...

An insertion into deep history

6 minute read

A couple of weeks ago I noted a new article by Chad Huff and colleagues in PNAS. It wasn’t available yet when I wrote, but I’ve had the chance to study it no...

When genetic drift reduces entropy

11 minute read

This is the third in a series on information theory and tests for recent selection. The first post, “Information theory: a short ...