question_answer

The banding pattern of chromosomes 3 and 6 of human beings and chimpanzee shows that they had :

A)  common origin

B)  different origin

C)  same number of chromosomes

D)  similar blood groups

Correct Answer: A

Solution :

Comparative studies on a considerable number of proteins found in humans, primates and mammals indicate close relationship between human and higher apes. By studied with special staining techniques the chromosome of man and apes, it has been established that: [a] Chromosome of man and apes have similar banding pattern. [b] Some chromosomes of man and apes have identical bands. The similarity in bands of 3rd and 6th chromosome indicates that both apes and man have evolved from some common ancestor.