A single loxP site was inserted 5' to exon 5 and a loxP flanked neomycin and thymidine kinase selection cassette was inserted 3' to exon 5. Exon 5 and the neomycin and thymidine kinase selection cassette were removed in ES cells by Cre mediated recombination prior to the production of chimeric mice, resulting in the null allele. (J:78934)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count