Table 1.

Development of embryos derived from females expressing truncatedβ -catenin in their oocytes crossed to males heterozygous for the deleted-floxed β-catenin allele

2-cell stage embryosExpanded/hatched blastocysts
Natural matings*
    Mutant (βFF; cre/Ø × βF-del/β)5243 (83%)
    Control (βFF;Ø /Ø × βF-del/β)3028 (93%)
Superovulation
    Mutant (βFF; cre/Ø × βF-del/β)7971 (90%)
    Control (βFF;Ø /Ø × βF-del/β)2019 (95%)
  • * χ2=1.85; P=0.173. Proportion test: z=-4.81.

  • χ2=0.508; P=0.476. Proportion test: z=-7.0.