Tuesday, March 20, 2012

TMRCA: DNA and the 4th Dimension

Time to Most Recent Common Ancestor


TMRCA answers the question, ‘OK, you and I are related. How far back in time do we have to go to find the connection?’




Take any two organisms, two mushrooms, two rabbits or two humans and compare their DNA. If you know how the DNA is different and you know the rate of mutation for the differences then you can calculate how far back in time they have a common ancestor.

In this mini-webinar I will explore how close or distantly in time various DNA tests will take you and various tools for calculating and visualizing TMRCA data.

You can find the webinar on my YouTube page.

#gDNA

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