In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree.
Autosomal recessive
$X$-linked dominant
Autosomal dominant
$X$-linked recessive
A colour blind man marries the daughter of a colour blind person. Then in their progeny
Haemophilia $A$ is due to the absence of
Among symbol $A, B$ and $C, C$ indicates
Which one of the following symbols and its representation, used in human pedigree analysis is correct ?