A woman with normal vision,but whose father was colour blind,marries a colour blind man.Suppose that the fourth child of this couple was a boy .This boy:

A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. Thus boy

A woman with normal vision, but whose father was colour blind, marries a colourblind man. Suppose that the fourth child of this couple was a boy. This boy :

A woman with normal vision, but whose father was colour blind, marries a colourblind man. Suppose that the fourth child of this couple was a boy. This boy :

A women with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy

A women with normal vision, but whose was coloured blind marries a colour blind man. Suppose that the fourth Child of this couple was a boy. This boy

A woman with normal vision but with colourblind father marries a colourblind man. The fourth child of the couple is a boy . This boy

A woman with normal vision but with colurblind father marries a coloublind man The fouth child of the couple is a boy .This boy