A loxP site was inserted into the promotor region upstream of exon 1 and a second loxP site and a neomycin resistance gene cassette into intron 1. The neo cassette was deleted through subsequent flp-mediated recombination, leaving a conditional-ready allele with a floxed exon 1. (J:240455)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count