Why did it take nearly 25 years for the significance of the Sierra Mixe to be understood?
A. No one was very interested in agriculture.
B. Corn was easy to grow in most locations.
C. People were repulsed by the slimy gel.
D. The needed DNA tools were unavailable.
Why did it take nearly 25 years for the significance of the Sierra Mixe to be understood?
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The correct answer is D. The needed DNA tools were unavailable.
Explanation: The delayed understanding of the significance of the Sierra Mixe can be attributed to the lack of advanced DNA analysis tools for nearly 25 years. These tools are essential for studying the genetic diversity and history of crops like corn, which was crucial in enhancing our understanding of agricultural practices and biodiversity in that region.