1068
Examples of mutations on the X chromosome include more common diseases such as color blindness , hemophilia , and fragile-X syndrome .
 color blindness
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 color blindness