CELL STRUCTURES AND FUNCTION
CELL DIVISION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mitosis
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Meiosis
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Both
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None of the above
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Detailed explanation-1: -This is half the number of chromosome sets in the original cell, which is diploid. Figure 11.4. 1: Comparing Meiosis and Mitosis: Meiosis and mitosis are both preceded by one round of DNA replication; however, meiosis includes two nuclear divisions.
Detailed explanation-2: -Homologous pairs of cells are present in meiosis I and separate into chromosomes before meiosis II. In meiosis II, these chromosomes are further separated into sister chromatids. Meiosis I includes crossing over or recombination of genetic material between chromosome pairs, while meiosis II does not.
Detailed explanation-3: -There are two major events that occur in both mitosis and meiosis i.e. the division of nuclear material called karyokinesis and the division of cytoplasm called cytokinesis. Karyokinesis means the process of division of the nucleus during mitosis or meiosis.
Detailed explanation-4: -Which of the following does NOT occur in both mitosis and meiosis? Splitting of homologous pairs of chromosomes.