The bacteria in the colony would be genetically to similar. APEX
“A mutation is a deform in a gene the throws off the form in an organism so the form in an organsim would be changed because of the deform.” -Answers.com
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Fermentation bacteria are anaerobic, but use organic molecules as their final electron acceptor to produce fermentation end-products. ... He demonstrated that fermenting bacteria could contaminate wine and beer during manufacturing, turning the alcohol produced by yeast into acetic acid (vinegar).
