The skin's dermis is made of layers of cells, connective tissue and several structures that aid in maintaining its function. These structures include blood vessels, hair follicles, lymph vessels and glands.
XnY one color blind boy. 1  Probability of having a color blind daughter is (1/2 x 1/2) or 1/4 or 25% (0.25) This is because both sex and colorblindness are involved in the solution.  The probability that their first son is color blind is 50% (0.50). In this question only males are part of the solution.
Girls- 50%. The colorblindness gene is found in the X-chromosome. Women have XX and guys have XY. When having a child the woman always gives off an X chromosome while men can give off either an X (having a girl) or a Y (having a boy). Women can only be color blind if both X-chromosomes have the colorblindness gene.