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While the maternally derived X chromosome was preferentially active in the asymptomatic twin , the paternal X chromosome was active in the other, affected twin and was found in her hemizygotic nephew .
 DNA: paternal X chromosome; DNA: maternally derived X chromosome; DNA: X chromosome; DNA: X chromosome
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: paternal X chromosome, maternally derived X chromosome, X chromosome, X chromosome 
Answer:
 DNA: paternal X chromosome; DNA: maternally derived X chromosome; DNA: X chromosome; DNA: X chromosome