Answer:
Hemophilia and color blindness are two common sex-linked conditions.
Explanation:
In humans, certain hereditary defects are linked to the X chromosome. The most important ones are colour blindness and haemophilia. Color blindness is a vision defect that is transmitted by a recessive gene carried on the X chromosome. The disease is more common in men than in women. Haemophilia is a serious disease in which blood take an abnormally long time to clot which leads to uncontrolled bleeding.
