779
Genetic analyses indicate that most of the dominant mutants are cis - acting and that the recessive mutants define a minimum of three complementation groups , indicating that defects in several different genes can restore higher levels of HIS4C expression .
 GENE: HIS4C
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: HIS4C