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Differences between the amino acid sequence of human cytochrome c and that of 5 other species...

Differences between the amino acid sequence of human cytochrome c and that of 5 other species are given in the choices below. Based on this information, humans are most closely related to:

a.) pigeons; 12 amino acid differences

b.) frogs; 20 amino acid differences

c.) fruit flies; 24 amino acid differences

d.) yeast; 42 amino acid differences

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Answer #1

A is correct answer because lesser the difference in amino acid , more will be similarity. Also aves are more closely related to humans than other.

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