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.
One study has shown that someone with two bedwetting parents has a 77% chance of becoming a bedwetter. When one parent wet the bed as a child, his son or daughter was found to have a 40% chance of becoming a bedwetter. These probabilities carry into adulthood as well.