FlyBase curator comment: this entry is used to capture phenotypic information when the particular allele (or allele combination) used by the author could not be determined but the context of the experiment suggests that the phenotype being described is some kind of loss of function.
Contacts between the invaginated mesoderm and the ectoderm fail to be established properly in embryos derived from females with reduced Rac2 and Rac1 function. Contacts between the invaginated mesoderm and the ectoderm fail to be established properly in embryos derived from females with reduced Mtl, Rac2 and Rac1 function.