When autopolyploid speciation occurs in a plant, a spontaneous doubling of chromosomes during meiosis produces ____ gametes. If the plant fertilizes itself, a ____ zygote will be produced.

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In autopolyploid speciation, a plant undergoes chromosome doubling, resulting in diploid gametes. When these gametes self-fertilize, they produce a tetraploid zygote.

When Autopolyploid Speciation Occurs in a Plant, a Spontaneous Doubling