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Mutant phenotype of α-E-cateninGT1 blastocysts. (A) Sequence of three time points between 3.5 and 4.5 days of in vitro development of a wild-type blastocyst. 3.5 dpc, Early blastocyst; 4 dpc, expanded blastocyst; 4.5 dpc, hatching blastocyst. (B) Sequence of six time points between 3.5 and 5.5 days of in vitro development of an abnormally developing embryo derived from a cross between α-E-cateninGT1 heterozygous animals.
