CRISPR targeting removed all but one 522 bp direct tandem repreat flanking the beta4 retrovirus sequence, partially reverting the ventral nonagouti a phenotype. The allele retains the VL30 sequence. (J:278039)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count