Question

Match the disorder in Column I with their nature in Column II. 

• A. i-a ii-c iii-d iv-b
• B. i-b ii-a iii-c iv-d
• C. i-d ii-c iii-a iv-b
• D. i-d ii-a iii-b iv-c

Hint:

Remember: Turner → XO, Klinefelter → XXY, Down → Trisomy 21

Answer 1

The Correct Option is D

i. Thalassemia
It is a Mendelian disorder (autosomal recessive). $\Rightarrow$ i $\rightarrow$ d ii. Turner’s syndrome
Characterized by X monosomy (XO). $\Rightarrow$ ii $\rightarrow$ a iii. Klinefelter’s syndrome
Males with extra X chromosome (XXY). $\Rightarrow$ iii $\rightarrow$ b iv. Down’s syndrome
Caused by Trisomy of chromosome 21. $\Rightarrow$ iv $\rightarrow$ c Final Matching: i-d, ii-a, iii-b, iv-c Final Answer: Option (D)