6828
A chromosome transmission fidelity ( ctf ) mutant , s138 , of Saccharomyces cerevisiae was identified by its centromere ( CEN ) transcriptional readthrough phenotype , suggesting perturbed kinetochore integrity in vivo .
 GENE: chromosome transmission fidelity; GENE: ctf
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: chromosome transmission fidelity, ctf 
Answer:
 GENE: chromosome transmission fidelity; GENE: ctf