Biology
Grade-9
Easy
Question
Match column-I with column-II and choose the correct option.
- A-IV; B-I; C-II; D-III
- A-II; B-I; C-IV;D-III
- A-II; B-IV; C-III; D-I
- A-II; B-V; C-I; D-III
Hint:
A-IV, B-I, C-II, D-III
The correct answer is: A-IV; B-I; C-II; D-III
Recombination occurs when non-parental gene exchange.
Crossing over occurs between non-sister chromatids.
X and Y are sex chromosome.
Thalassemia is Autosome-linked disease.
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