A property professional with nearly 20 years experience of estate agency in Suffolk and North Essex. During that time I have carried out market appraisals on over 5000 residential properties and have helped over 1500 people successfully sell their home.
Therefore, a son from a color-blind mother (who receives the trait from his mother on the X-chromosome) will always be color-blind, regardless of the state of the father (who can only give his son a Y-chromosome).
But they see in color from the start that their eyes are developed and open. They are either in their blind stage or they see in color. they don't see in black and white like animals.   Babies are not blind when they are born and they do open their eyes. They are not like puppies or kittens that their eyes are closed until a few days after birth. (MORE)