A loxP site was inserted upstream of exon 1 and a loxP site flanked neomycin resistance gene cassette into intron 1. The neo cassette was removed through subsequent cre-mediated recombination, leaving exon 1 floxed. (J:83457)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count