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).
The colour blind âgeneâ is carried on one of the X chromosomes. Since men have only one X chromosome, if his X chromosome carries the colour blind âgeneâ (X) he will be colour blind (XY). A woman can have either:-. (i) two normal X chromosomes, so that she will not be colour blind or be a carrier (XX),