Table 2.

Frequency of axis duplication by ventral injection ofAxil and Xwnt8 mRNAa

mRNA and regionNo. of embryos with phenotypeNo. of deadNo. of speci- mens% of specimens with axis duplication
NormalAxis dupli- cation
Xwnt8: ventral blastomere183014961.2
Axil + Xwnt8: ventral blastomere361114822.9
  • a All mRNAs were injected into the subequatorial region of two ventral blastomeres of four-cell embryos.