From: Inferring gene-to-phenotype and gene-to-disease relationships at Mouse Genome Informatics: challenges and solutions
Non-causative alleles in genotypes
Number of genotypes processed (as of 1/4/2016)
Number Alleles
Recombinase allelesa
7,015
936
Reporter transgenes
256
157
Transactivator transgenes
282
84
Wild-type alleles
5,371
1,577