The smoking gun of gene transfer.
Martin
William
W
D002467:Cell Nucleus / Q000235:genetics*; D002736:Chloroplasts / Q000235:genetics*; D000458:Cyanobacteria / Q000235:genetics; D019143:Evolution, Molecular; D022761:Gene Transfer, Horizontal; D018087:Plastids / Q000235:genetics; D011995:Recombination, Genetic; D014026:Nicotiana / Q000235:genetics