cells were isolated from stage x embryos of a line of barred plymouth rock chickens ( that have black pigment in their feathers due to the recessive allele at the i locus ) and injected into the subgerminal cavity of embryos from an inbred line of dwarf white leghorns ( that have white feathers due to the dominant allele at the i locus ) .
C0007634
cells
C1708726
locus