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On the nature of heterotachy

Lockhart, P (Massey)
Monday 17 December 2007, 16:30-16:50

Seminar Room 1, Newton Institute


Heterotachy describes different lineage specific rates of evolution at individual sites in a multiple sequence alignment. Different underlying processes could contribute to this phenomenon. We discuss the form of heterotachy that is likely to occur in Nature. We show using simulations that under a biologically realistic model of heterotachy tree building can have low reconstruction accuracy. We discuss this problem.


[ppt ]




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