GATE 2024 DA – Question 6
Thousands of years ago, some people began dairy farming. This coincided with a number of mutations in a particular gene that resulted in these people developing the ability to digest dairy milk.
Based on the given passage, which of the following can be inferred?
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Show answer and explanation
Correct answer: (D) In human beings, digestion of dairy milk resulted from a mutated gene.
Explanation
The passage says that the ability to digest milk developed along with mutations in a gene, so the ability came from a mutated gene. It does not say that all human beings can digest milk, that none can, or that digesting milk is essential.