Exon 2 was flanked by loxP sites. An FRT-flanked neomycin selection cassette was also inserted and removed via Flp-mediated recombination leaving exon 2 floxed. (J:296267)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count