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

Which of the following is not $X$-linked recessive

If a father and son are both defective in red-green colour vision, is it likely that the son inherited the trait from his father ? Comment.

Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. Their children will be

The daughter born to haemophilic father and normal mother could be