αTub67C+tVa partially rescues αTub67Ckav-21g
A higher percentage of αTub67Ckav-21g/+ embryos show signs of differentiation if they also carry αTub67C+tVa.
The female sterile phenotype due to αTub67Ckav-rX21/Df(3R)55 is completely rescued by αTub67C+tVa.