Germ-line, cre-mediated recombination was used to remove exon 8. Authors state that this is a null allele because it recapitulates the phenotype of other null alleles. (J:131288)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count