In the above pedigree, assume that no outsider marrying in, carry a disease. Write the genotypes of $C$ and $D$.

Which of the following is a sex-linked character

Given is : $X$ is the chromosome with gene for haemophilia and $X$ is the chromosome with normal gene. Which of the following individuals will act as carrier for haemophilia

Haemophilia $A$ is due to the absence of

In the given pedigree, indicate whether the shaded symbols indicate dominant or recessive allele.