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Further evidence for a clustered organization of FAX - ZFP transcription units is provided by Southern blot analysis of large genomic restriction fragments separated by transverse field gel electrophoresis , and by in situ hybridization on intact chromosomes .
 GENE: FAX; GENE: ZFP
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: FAX; GENE: ZFP