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Comparison to the murine homologues of these molecules reveals a high degree of conservation between the products of one of these genes , Fc gamma RIIb , and the murine beta gene in primary sequence , splicing pattern , and tissue distribution .
 GENE: Fc gamma RIIb; GENE: murine beta 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: Fc gamma RIIb; GENE: murine beta gene