What are some examples of sex-linked traits?

Some examples of sex-linked traits include:

- Red-green color blindness (deuteranopia, protanopia): males are more frequently affected than females

- Hemophilia A and hemophilia B (lack of clotting factors VIII and IX, respectively): males are almost exclusively affected

- X-linked ichthyosis: a rare skin disorder that affects males

- Fragile X syndrome: a genetic condition characterized by intellectual disability and behavioral problems, more commonly seen in males

- Duchenne muscular dystrophy and Becker muscular dystrophy: genetic disorders that cause progressive muscle weakness, primarily affecting males