2369
This would have had the effect of positioning the genes currently on the long arm adjacent to the centromeric heterochromatin , perhaps resulting in a " position effect " on transcription of these genes .
 None
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:  
Answer:
 None