1725
We also examined tow of the XISTE- ring chromosomes to determine whether genes that are normally silent on an inactive X are expressed from these chromosomes .
 DNA: chromosomes; DNA: inactive X; DNA: XISTE- ring chromosomes; DNA: genes
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: chromosomes, inactive X, XISTE- ring chromosomes, genes 
Answer:
 DNA: chromosomes; DNA: inactive X; DNA: XISTE- ring chromosomes; DNA: genes