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Which of the following is NOT a mechanism for sympatric speciation? A. polyploidization in which all...

Which of the following is NOT a mechanism for sympatric speciation?

A. polyploidization in which all of the chromosome sets are derived from one species

B. host shifts

C. genetic divergence in a small isolated population

D. polyploidization in which the chromosome sets are derived from different species

E. disruptive selection coupled with positive assortative mating

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Answer #1

D. Polyploidization in which the chromosome sets are derived from different species is not one of the mechanisms of sympartic speciation, as it is a process through which new species evolve from a single ancestral species while inhabiting the same geographic region.

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