- A Autosomal dominant trait
- B Autosomal recessive trait
- C X-linked recessive trait
- D Y-linked trait
Correct answer: C. X-linked recessive trait
Explanation: Haemophilia is X-linked recessive. Males (XY) who inherit one affected X have the disease; females need two affected X chromosomes.
Concept context
Mendel's laws, inheritance patterns, DNA structure, and molecular biology. Core of NEET biology.
Read the full Principles of Inheritance and Variation notes →