Biology / Bio 1705 · Atom · ~20 seconds
Nondisjunction as a Route to Polyploid Speciation
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Nondisjunction, per Unit 6's Bio 1187, chromosomes failing to separate during meiosis, produces the unreduced gametes underlying both autopolyploidy and alloploidy.
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A gamete with the full diploid number, rather than the normal haploid number, traces to a nondisjunction event during meiosis.
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Nondisjunction produces polyploid gametes as a byproduct of a meiotic error — polyploidy is not a separate error itself.
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