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The characterized Y ' repeated sequence families provide an experimental system in which repeated sequence interactions and subsequent evolution can be studied .
 GENE: Y ' repeated sequence families
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: Y ' repeated sequence families 
Answer:
 GENE: Y ' repeated sequence families