NASA NTRS · 19720054885
Evolutionary clock - Nonconstancy of rate in different species.
Abstract
By using various methods for comparing polypeptide sequences we find that the evolutionary divergence of rattlesnake cytochrome c from cytochromes c of species in other classes has been more rapid than that of cytochrome c of another reptile, the snapping turtle. This suggests that the evolutionary rate of change of cytochromes c is species-dependent as well as time-dependent.
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Jukes, T. H., Holmquist, R.. 1972-08-11. Evolutionary clock - Nonconstancy of rate in different species.. https://ntrs.nasa.gov/citations/19720054885
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