2517
Physical mapping of the derivative chromosomes , after their separation in somatic cell hybrids , reveals that the translocation disrupts the DMD gene in Xp21 within the 18 - kb intron 16 .
 DMD
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 DMD