1351
The status of X chromosome inactivation in blood leukocytes from obligate carriers of XCID was determined from the polymorphic, short tandem repeats ( CAG ), in the androgen receptor gene , which also contains a methylation-sensitive HpaII site .
 ( DNA: methylation-sensitive HpaII site, None) , ( DNA: androgen receptor gene, None) , ( DNA: X chromosome, None) , ( DNA: short tandem repeats, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: methylation-sensitive HpaII site, None) , ( DNA: androgen receptor gene, None) , ( DNA: X chromosome, None) , ( DNA: short tandem repeats, None) 