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     EduGorilla 
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    All humans digest mother’s milk as infants, but until cattle began being domesticated 10,000 years ago, children once weaned no longer needed to digest milk. As a result, they stopped making the enzyme lactase, which breaks down the sugar lactose into simple sugars. After humans began herding cattle, it became tremendously advantageous to digest milk, and lactose tolerance evolved independently among cattle herders in Europe, the middle East and Africa. Groups not dependant on cattle, such as the Chinese and Thai, remain lactose intolerant.

    Which among the following is the most logical 
    assumption that can be made from the above passage?

    Options :-

    1. About 10,000 years ago, the domestication of animals took place in some parts of the world

    2. A permanent change in the food habits of a community can bring about a genetic change in its members

    3. Lactose tolerant people only are capable of getting simple sugars in their bodies

    4. People who are not lactose tolerant cannot digest any dairy product

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