Get Answers to all your Questions

header-bg qa

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason(R).
Assertion (A) : Mendel's law of Independent assortment does not hold good for the genes that are located closely on the same chromosome.
Reason (R): Closely located genes assort independently.

In the light of the above statements, choose the correct answer from the options given below:


Option: 1

Both (A) and (R) are correct but ( R ) is not the correct explanation of (A)

Option: 2

(A) is correct but ( R ) is not correct

Option: 3

(A) is not correct but (R) is correct

Option: 4

Both (A) and (R) are correct and (R) is the correct explanation of (A)

Answers (1)


If genes are closely located on the chromosome, they won't assort independently and do not show recombination. Mendel's law of independent assortment holds good only for the genes that are located on the same chromosome, not for the closely related genes. Hence statement 1 is right, and 2nd is incorrect.

very far, therefore, show             same arm, therefore                  no independent assortment

Independent assortment           shows independent                   occur and no chance of

and recombination                    assortment but the chance of           recombination

Occur with high                          Chances of recombination 

percentage.                                Will be less.                                                                        

Linkage                                      Linkage                                        Linkage

Recombination                           Recombination                            Recombination

Hence, the correct option is (b)

Posted by

Ritika Kankaria

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks