438
Portions of the 3 ' - coding and 3 ' - untranslated regions were found to be missing from the 7 . 2 - and 4 . 8 - kb topo II alpha mRNAs by Northern blot analysis .
 GENE: 7 . 2 - and 4 . 8 - kb topo II alpha mRNAs
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: 7 . 2 - and 4 . 8 - kb topo II alpha mRNAs