Polyploidy is most likely to result from ____________________?
Correct answer: A. The failure of homologous chromosomes to separate during meiosis
- A. The failure of homologous chromosomes to separate during meiosis
- B. The crossing over between non homologous chromosomes
- C. Occurrence of karyokinesis
- D. Occurrence of crossing over
Explanation
Failure of chromosome separation can produce unreduced gametes, and their fusion may create polyploid plants. Crossing over normally reshuffles genes, while crossing over between nonhomologous chromosomes is abnormal and not the usual cause.
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