1849
The human RFC - 1 gene differs from the mouse and hamster genes both in terms of the total number of exons and in regard to alternatives of exon 1 which encode 5 ' end heterogeneity .
 GENE: RFC - 1 gene
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: RFC - 1 gene