Prompted by inquiries from biotech firms, both the US Food and Drug Administration (FDA) and a Canadian federal government interdepartmental working group are evaluating the ramifications of meat from cloned animals one day arriving in supermarkets.

"We know the technology is being developed. We know that companies are working on cloned animals. We know these are coming down the pipeline," working-group member William Yan of Health Canada told The Scientist. Stephen Sundlof, director of the FDA's Center for Veterinary Medicine echoed the warning: "We knew about Dolly the sheep and now that technology is on the verge of being commercialized."

FDA is expected to issue a white paper on the topic next month. Health Canada has no formal deadline for a decision, said Yan.

Due to the expense of producing such animals regulators are not anticipating that shoppers will be able to buy leg of clone for a roast...

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