A cell contains 8 chromosomes in its diploid state.When this cell undergoes meiosis, its daughter cells would contain:
Correct answer: D. Four genetically different chromosomes each
- A. Two genetically identical chromosomes each
- B. Two genetically different chromosomes each
- C. Four genetically identical chromosomes each
- D. Four genetically different chromosomes each
Explanation
In meiosis, a diploid cell with 8 chromosomes undergoes two rounds of cell division to produce four haploid daughter cells, each containing 4 chromosomes. These chromosomes are genetically different due to processes like crossing over and independent assortment. This results in genetic diversity, which is essential for evolution and adaptation. Options A and C are incorrect as meiosis does not produce genetically identical cells. Option B is incorrect because it suggests the wrong number of chromosomes in the resulting cells.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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