13584
The genetic architecture suggests that either the Y chromosome has an X-inactivating gene , or that the Y chromosome has an X-activating gene .
 location: Y chromosome
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Y chromosome 
Answer:
 location: Y chromosome