How does the S phase of interphase differ between mitosis and meiosis regarding the resulting daughter cells?
Understand the Problem
The question asks about the difference in the outcome of the S phase of interphase between mitosis and meiosis, specifically concerning the characteristics of the resulting daughter cells (chromosome number, ploidy, and genetic similarity).
Answer
During the S phase, both mitosis and meiosis duplicate chromosomes. Mitosis results in daughter cells with a full chromosome set, whereas meiosis results in haploid daughter cells.
In both mitosis and meiosis, the S phase of interphase involves DNA replication, resulting in the duplication of each chromosome. After mitosis, daughter cells contain a full set of chromosomes, whereas after meiosis, daughter cells are haploid, containing half the number of chromosomes as the parent cell.
Answer for screen readers
In both mitosis and meiosis, the S phase of interphase involves DNA replication, resulting in the duplication of each chromosome. After mitosis, daughter cells contain a full set of chromosomes, whereas after meiosis, daughter cells are haploid, containing half the number of chromosomes as the parent cell.
More Information
Mitosis is cell division that produces two identical daughter cells. Meiosis is cell division that produces four sex cells. The S phase (synthesis phase) is when DNA replication occurs.
Tips
A common mistake is thinking the S phase is different because mitosis results in 2 cells whereas meiosis results in 4 cells. While true, this is not what makes the S phase different. The S phase refers to the DNA replication stage only, and how it's different between mitosis and meiosis.
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