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Question
In a population, AA type people have variations which are heritable and make their survival better compare to BB type and AB type. Such variations in these people enable them to produce more progeny. The above given example shows which type of natural selection?
In a population, AA type people have variations which are heritable and make their survival better compare to BB type and AB type. Such variations in these people enable them to produce more progeny. The above given example shows which type of natural selection?
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Solution
The correct option is B Directional
Directional selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes. Here, AA (one of the extreme phenotype) is more favourable than BB and AB. Hence, it is an example of directional selection.
Directional selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes. Here, AA (one of the extreme phenotype) is more favourable than BB and AB. Hence, it is an example of directional selection.
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