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Template:DISPLAYTITLE:petite mutation petite (p-) is a mutant first discovered in the yeast Saccharomyces cerevisiae. The 'petite' yeast has little or no mitochondrial DNA, and forms small anaerobic colonies when grown on media. A neutral petite produces all wild type progeny when crossed with wild type.
Additional recommended knowledge
petite mutations can be induced using a variety of mutagens, including DNA intercalating agents, as well as chemicals that can interfere with DNA synthesis in growing cells. Mutagens that create petites are implicated in increased rates of degenerative diseases and in the aging process.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Petite_mutation". A list of authors is available in Wikipedia.|