Exon 2 was flanked by a single loxP site and an frt flanked neo followed by a single loxP site. Cre mediated recombination then removed exon 2 and the neo cassette (J:110147)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count