17161
Significant differential methylation at a subset of imprinted loci was identified in both genders , and non - CpG methylation occurred only in male gonocytes .
 Chemical: CpG
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: CpG