In a lab in San Diego, Troels Prahl, a brewer and microbiologist at the Southern California yeast distributor White Labs sits at the tasting bar in front of 4 open half pints of beer. Each of them is different, in color and flavor, ranging from a crisp body of raspberry, rosemary and banana to a dry and subtle blend of nutmeg and fresh straw. But with the single exception of the yeast they were brewed from, all the beers are identical.
The Family Tree of Beer: A Team of Geneticists is creating the Beer Yeast Genome Project
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