1131
However , the rtFc gamma R alpha cDNA clone is complementary to at least two different - sized mRNAs expressed by CRNK - 16 cells , contrasting the single Fc gamma R - related mRNA species expressed by human and mouse natural killer cells .
 GENE: rtFc gamma R alpha cDNA; GENE: Fc gamma R - related mRNA
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: rtFc gamma R alpha cDNA, Fc gamma R - related mRNA 
Answer:
 GENE: rtFc gamma R alpha cDNA; GENE: Fc gamma R - related mRNA