Examlex
If two or more phenotypes in a population are both favored by selection, what is happening?
It's
A contraction of "it is" or "it has," used in a sentence to make a statement or indicate possession.
Been
A past participle of the verb "be," indicating a state of existence or occurrence in the past.
You're
You're is a contraction for "you are."
Set
A collection of distinct objects, considered as an object in its own right in mathematics, or the scenery for a film or theater production.
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