Scientists will eventually find widespread evidence of simple, microbial life, they theorized, but complex animal or plant life will prove extremely rare.

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MRS. OBAMA: Oh, what animal or what plant.

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Like, what animal or what plant?

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The chromosomes of a given species of plant or animal will contain many such repeated sequences, and these will be found at predictable places along those chromosomes.

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According to WTO rules, countries must either accept the WTO's stringent patent-protection regime for plant and animal products or set up their own systems for protection.

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In early November, delegates from 160 member nations will convene in Chile for the Convention on International Trade in Endangered Species (CITES) to decide whether to ban, restrict or encourage trade in certain plant and animal products.

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If there's a new plant coming in, or a new animal, they'll be the first to see it.

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