When autopolyploid speciation occurs in a plant, a spontaneous doubling of chromosomes during meiosis leads to the production of ____ gametes. If the plant fertilizes itself, a ____ zygote will be produced.
A) haploid; diploid
B) diploid; tetraploid
C) diploid; haploid
D) haploid; tetraploid
E) tetraploid; diploid

Question

Quizplus · Accepted Answer

Autopolyploid speciation involves a doubling of the entire set of chromosomes, leading to the production of diploid gametes instead of the usual haploid ones. When these diploid gametes fuse during self-fertilization, they form a tetraploid zygote.

When Autopolyploid Speciation Occurs in a Plant, a Spontaneous Doubling