Q.
In haemophilia, the affected protein is a part of a
cascade of protein which is involved in the
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Principles of Inheritance and Variation
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Solution:
Haemophilia is a sex-linked recessive disease, which
shows its transmission from unaffected carrier female to
some of the male progeny has been widely studied. In
this disease, a single protein that is a part of the cascade
of proteins involved in the clotting of blood is affected.
Due to this, in an affected individual, a simple cut will
result in non-stop bleeding.