There are repositories where you can just pick up the phone and order hundreds of vials of flies of different mutants and screen them in your assay and then find out what gene is affected in the mutation.
Postoje repozitoriji gdje možete samo okrenuti telefonski broj i naručiti stotine bočica s različitim mutantima vinske mušice, analizirati ih i otkriti koji je gen promijenjen mutacijom.