Molecular Evolution Activities

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Models of Molecular Evolution

 

 

Models of Sequence Evolution

Jukes/Cantor Model (JC) 1969

This is a one parameter model which assumes that the bases occur with equal frequency and the rate of substitution from one base to any other is the same.

A
T
C
G
A
-
α
α
α
T
α
-
α
α
C
α
α
-
α
G
α
α
α
-

Articulated by Thomas Jukes and C. R. Cantor in 1969, the Jukes/Cantor model was the simplest possible model of sequence evolution. Until DNA sequence data became more common, the Jukes/Cantor model was the only model of sequence evolution.

References:

T. H. Jukes and C. R. Cantor, "Evolution of Protein Molecules," in Munro (ed.), Mammalian Protein Metabolism. New York: Academic Press, 1969, pp. 21-132.

This page was last updated on 21 February 2002 by Michael Dietrich.