3128
( i ) The chimeric gene consisting of the coding and 5 ' nontranslated leader regions of the TK gene fused to portions of the domain of alpha gene 0 extending largely upstream from the site of initiation of transcription of alpha gene 0 was regulated in the same fashion as the alpha 4 - and alpha 27 - TK chimeras .
 GENE: TK gene; GENE: alpha gene 0; GENE: alpha gene 0; GENE: alpha 4 - and alpha 27 - TK
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: TK gene; GENE: alpha gene 0; GENE: alpha gene 0; GENE: alpha 4 - and alpha 27 - TK