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In studying evolution, a common characteristic can be compared to determine how much variability exist among species. An ex in vertebrate species is the umber of differences in hemoglobin.
the follow table compares hemoglobin from other species to that of humans;
Species # of different Amino Acids Estimate millions of years from common ancestors
Rhesus monkey 8 26
Mouse 25 80
chicken 45 275
frog 70 330
Lamprey 125 450

a)find the average number of years per mutation in hemoglobin for each species listed?

b) Find the mutation rate in mutation per million years for each species.

c) Which animal shows a mutation rate closet to the average?

d)what percentage of amino acids are different from humans in the monkey and the lamprey?

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