Neet Solved Paper 2013 Question 77
Question: If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
Options:
A) No chance
B) 50%
C) 25%
D) 100%
Show Answer
Answer:
Correct Answer: C
Solution:
- Thalassemia is the disorder due to reduced synthesis of either the $ \alpha $ or $ \beta\text{ -} $ chains, likewise designated as $ \alpha $ or $ \beta\text{ -} $ thalassemias. When this autosomal mutant gene is present in double dose. The disease is severe called as thalassemia major.
