9101
Intriguingly , three hypomorphic Scm mutations , which map within an mbt repeat , interact with PcG mutations more strongly than do Scm null alleles .
 Scm, mbt repeat, PcG mutations, Scm
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Scm, mbt repeat, PcG mutations, Scm