EVOLUTION
THE ORIGIN OF LIFE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The loss of ventral spines by modern freshwater sticklebacks is due to natural selection operating on the phenotypic effects of Pitx1 gene
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duplication (gain in number).
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elimination (loss).
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mutation (change).
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silencing (loss of expression).
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Explanation:
There is 1 question to complete.