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Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

linkage

(LING-kij)
The tendency for genes or other segments of DNA to be inherited together during meiosis because of their location near one another on the same chromosome. Finding linked genes can help identify a disease-causing gene.
Search NCI's Dictionary of Genetics Terms