An frt flanked neo cassette was inserted upstream of exon 2 and loxP site was inserted flanking exons 2 through 4. Flp mediated recombination removed the neo cassette leaving exons 2 through 4 floxed. (J:152259)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count