Question

Write your inference by analyzing the following information in connection with evolution.

Difference from the amino acids in the beta chain of haemoglobin in man.

Chimpanzee: Nil

Gorilla: difference of one amino acid Rat: difference of 31 amino acids

a. Substantiate the reason for variations of amino acids of protein like haemoglobin in above organisms.

b. Write the advantage of the micro-level knowledge of protein and genes of related organism.

Answer 1

a. Mutation

b. Through a comparative study of protein molecules in different species, the evolutionary relationship among organisms can be identified.

This is an effective method to draw the evolution showing the branching of organisms from a common ancestor.