2709
Recently , the gene that encodes human G6PD has been cloned and sequenced , which enables us to examine directly the heterogeneity of G6PD at the DNA level .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities:  
Answer:
 None