mice in the lab. BERGE: I noticed from reading other bibliographies, example, Dr. Tobias, for that during the 1950's there was a lot of interest in studying radiation affects on yeast cells. Why? KOHN: Well, bacteria, as you probably know, have only one Pal chromosome. Yeast have tae eomosome: Bet You can grow them in suspension, bacteria, They grow like and are very convenient to work with. ‘oiNenbdNelldolledbeigek s Pt Ter tol dete te ate{pemiiy «a tipiesscet thiik tha to say, e answeEr=eo-your BERGE: As opposed, fruit flies? KOHN: I wouldn't say taeyeast are opposed to fruit flies. I just say that. ubicwesbeceumer=nc, it is because they are easier to work with. I always come back to that. No, also, especially for the bio-physicists who came in from physics or who are not so familiar with different kinds of biological material. To a biologist, perhaps, working with the fruit fly may not pose any great problem. Whereas, I think to the physicist it may appear to be a little complex. But working with yeast, where all ll