798
One mutation , a C to A exchange , was detected in exon 2 at cDNA position 166 , the other , a C to T exchange , was located in exon 4 ( cDNA position 464 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 None