question_answer

Direction: Each of the question has four options out of which only one is correct. Select the correct option as your answer. Match the following columns.

	Column I		Column II
A	Non-parental gene exchange	1	Crossing over
B	Non-sister chromatids	2	X and Y
C	Sex chromosome	3	Autosome-linked disease
D	Thalassemia	4	Recombination

Codes

A) A-4       B-1       C-2       D-3

B) A-2       B-1       C-4       D-3

C) A-2       B-4       C-3       D-1

D) A-2       B-4       C-1       D-3