The Shh ( CreERT2/+ ) ; b-catenin ( flox ( ex3 ) /+ ) ; BmprIA ( flox/- ) mutants displayed partial restoration of URS elongation compared with the b-catenin GOF mutants .
O B-GeneOrGeneProduct O O O O B-GeneOrGeneProduct O O O O O O O O B-GeneOrGeneProduct O O O O O O O O O O O O O B-GeneOrGeneProduct O O O