Fifty Years Ago, There Were Several Hundred Varieties of Wheat

question 11

Multiple Choice

Fifty years ago, there were several hundred varieties of wheat grown in the Middle East. Now a few of the more modern high responder varieties have replaced the indigenous species. What are the implications of this change?

• A) The productivity of wheat should continue to rise and increase the availability of food per person.
• B) Genetic resources are diminished and an epidemic of wheat disease is more likely due to the reliance on few species.
• C) The high responder varieties will need specialized harvesting methods because they are so productive.
• D) The biodiversity of wheat species has increased because of the introduction of few hybrid species.
• E) All of these are correct.

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