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.