The neomycin resistance cassette that is flanked by Frt sites was removed by mating with mice expressing FLP1 recombinase, resulting in an exon 2 loxP flanked allele lacking the neomycin resistance sequence. (J:161920)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count