Contact: Kitta MacPherson
Caption: Kruglyak and his team developed a method using a sample size of yeast that went beyond the scale of any human studies. They crossed two strains of yeast, generating about 10 million offspring such as those shown on this Petri dish.
Credit: Princeton University, Office of Communications, Denise Applewhite
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Related news release: Genetic patterns rise from huge yeast samples