Hypomorph|Conditional ready targeted mutation 1, Tetsuo Noda Apc<fl> Apc<580S flox> Apc<f> Apc<loxP> Apc<580s> 580S MGI:1857966 Apc<tm1Tno> Apc<lx> http://identifiers.org/mgd/MGI:1857966