Simple past tense and past participle of unselect.(verb)
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Use "unselected" in a sentence
"On the ultimate exit polls (autopsy studies) in unselected cases as many as 25% have pituitary adenomas."
"Leaving aside the plain fact that "unselected" mutations regularly persist due to drift, epistasis, "hitchhiking" with selected mutations, etc., let's edit your sentence to make it accurate: "If Behe is right, then a double CCC will never happen ALL AT ONCE.""
"But they are not in "unselected," widely ranging mankind always equal (in their unaided natural state) to their task."