613
In the 22 point mutations , 68 % of mothers were heterozygous for the mutation , a value identical to the two - thirds of carrier mothers that would be expected if there were an equal mutation rate in male and female germ cells .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities:  
Answer:
 None