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).
It is uncommon for a baby to be born with brown eyes. Almost all babies have blue eyes because the iris has not yet made brown pigment (called melanin) that colors the iris. It is, however, common for babies to have blue eyes at 2 weeks. Usually, the iris doesn't make enough melanin until about 3 years of age. Yes, Sara. Two blue-eyed parents can have a child with brown eyes. Most of us learned the model for determining eye color that G.C. Davenport and C.B. Davenport devised in 1907.