Biology / Bio 1771 · Atom · ~20 seconds
Stabilizing Selection
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Stabilizing selection favors individuals near a population's average phenotype and selects against both extremes, reducing overall phenotypic variation over time.
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Mice whose fur color most closely matches the forest floor's average shade survive better than noticeably lighter or darker mice.
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Stabilizing selection decreases variation around a stable average — it does not shift the average phenotype in any new direction.