Which of the following does NOT lead to genetic variability?
Question and options
Which of the following does NOT lead to genetic variability?
- Random fertilization
- Crossing over during meiosis
- Division of chromosomes during anaphase of mitosis
- Orientation of chromosomes during metaphase I of meiosis
Answer and explanation
Correct answer: C - Division of chromosomes during anaphase of mitosis
Mitotic anaphase separates identical sister chromatids, producing genetically identical cells. Random fertilisation, crossing over and independent assortment at metaphase I all create variation.
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