Genomic fragment containing fand.
Xba1-EcoRI genomic rescue fragment.
fand+tGa rescues fandfas-1/fandH124
fand+tGa rescues fand1
fand+tGa rescues fand2
The tracheal branching and central nervous defects characteristic for fandfas-1/fandH124 embryos are fully rescued by combination with a single copy of fand+tGa.