Exon 1 was floxed. Cre-mediated recombination removed the floxed neomycin resistance cassette inserted downstream of exon 1. (J:212431, J:232022)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count