The Bn mutation is caused by a deletion of ~60 to 170 kb in size. The deletion is known to include Zic3 and DXMit208. (J:62608, J:63168)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count