9527
Three mog - 1 alleles possess premature stop codons and are likely to be null alleles , and one is a missense mutation and is likely to retain residual activity . mog - 1 mRNA is expressed in both germ line and somatic tissues and appears to be ubiquitous .
 mog - 1 alleles, mog - 1 mRNA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 mog - 1 alleles, mog - 1 mRNA