Just as Koch’s postulates formed the foundation of early infectious disease study, Stanley Falkow’s molecular Koch’s postulates define best practice in determining whether a specific gene contributes
Recombinants described in Fig 3 were crossed to a69 and the number of ommatidia counted expressing Rh5 or Rh6, Total counted, and % Rh5 are indicated in the table. Controls for comparison were homozyg