1334
However , while the sequence similarity between the membrane exons of avian mIgY and mammalian mIgG and IgE is striking , the overall similarity with Xenopus mIgY is very low .
 GENE: avian mIgY; GENE: mammalian mIgG and IgE; GENE: Xenopus mIgY
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: avian mIgY; GENE: mammalian mIgG and IgE; GENE: Xenopus mIgY