In-frame insertion of a cre recombinase gene into the first coding exon followed by an fFRT site flanked neomycin resistance gene cassette. A frameshift mutation was also introduced into exon 5. This allele expresses cre recombinase specifically in B lineage cells throughout development. (J:27463)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count