Rice and its grain relatives, maize, barley, and wheat, diverged from a common ancestor about 50 million years ago. What main advantage does this afford research in crop genomics?
A. STS can be isolated in more than one plant leading to better crop production.
B. It identifies linkage disequilibrium between multiple crop types.
C. Single nucleotide polymorphisms are clearly defined in many plants used as crops.
D. It allows for useful genes in crops to be identified in multiple species of plants.
Answer: D
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