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Question

How does the genetic diversity of a modern corn field compare to the genetic diversity of a population of the pre-domesticated corn plant?

A
Less diversity
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B
More diversity
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C
More genetic diversity, but less phenotypic variation
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D
The same amount of diversity
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Solution

The correct option is A More diversity
The genetic diversity of a modern corn field is more diverse as it may contain genes transferred from from bacteria, to naturally protect it from pests
For example, Bt corn
However, a pre domesticated corn plant is the one that is most suitable to be grown in a certain environment, majorly by artificial selection that is cross breeding and deriving a gene pool from an existing one that can provide a better commercial value
Example - sweet corn, a recessive trait, but is abundantly available due to taste preference and comparatively soft kernels

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