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4.Principles of Inheritance and Variation
normal
The most common type of haemophilia results from the congenital absence of
A
Factor $II$
B
Factor $V$
C
Factor $VIII$
D
Factor $XI$
Solution
(c)Haemophilia is more prevalent in men as compared to women. Its recessive gene is located on $x$-chromosome. This gene supresses synthesis of factor $VIII$, necessary for the normal blood clotting.
Standard 12
Biology