2437
Male - enhanced antigen gene is phylogenetically conserved and expressed at late stages of spermatogenesis .
 GENE: Male - enhanced antigen gene
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: Male - enhanced antigen gene 
Answer:
 GENE: Male - enhanced antigen gene