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Methylation of HpaII and Hha I sites near the polymorphic trinucleotide repeat of the human androgen receptor gene ( HUMARA ) has been shown to correlate with X-inactivation .
 human androgen receptor gene, polymorphic trinucleotide repeat, HUMARA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 human androgen receptor gene, polymorphic trinucleotide repeat, HUMARA