Principle Of Inheritance And Variation Question 544

Question: Assertion : Among the primates, chimpanzee is the closest relative of the present day humans. Reason : The banding pattern in the autosome numbers 3 and 6 of man and chimpanzee is remarkably similar. [AIIMS 2004]

Options:

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

Show Answer

Answer:

Correct Answer: A

Solution:

Carolus Linnaeus called humans as Homo sapiens or wise men and placed them along with apes and monkeys.

There are certain similarities between human and chimpanzee.

These are - (i) RNA content of diploid cells is similar.

(ii) DNA matching shows that human similarity is 100% with chimpanzee and (iii) Banding pattern of chromosomes shows very little difference in chromosomes 3 and 6 between humans and chimpanzee.

Thus it can be concluded that among the primates, chimpanzee is the closest relative of the present day humans.