Question
Biology Question on Principles of Inheritance and Variation
Which of the following statements is incorrect with respect to alpha-thalassemia?
A
(A) Involves the genes HBA1 and HBA2
B
(B) Inherited in a Mendelian dominant fashion
C
(C) Connected to the deletion of the 16p chromosome
D
(D) Result in decreased α-globin production
Answer
(B) Inherited in a Mendelian dominant fashion
Explanation
Solution
Explanation:
Alpha-thalassemia is not inherited in a Mendelian dominant fashion. Instead, it is inherited in a Mendelian recessive fashion. It involves the genes HBA1 and HBA2 and it is also connected to the deletion of the 16p chromosome.Hence, the correct option is (B).