Biology / Bio 1699 · Atom · ~20 seconds
Polyploidy
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Polyploidy is a condition where an organism carries extra chromosome sets beyond its species' normal number, often from nondisjunction.
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A cell dividing by nondisjunction, per Unit 6's Bio 1187, can produce a gamete with a full extra set instead of the normal single set.
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Polyploidy adds whole sets, unlike aneuploidy, per Unit 6's Bio 1189, which adds or loses only single chromosomes.