- Importance of process in the life cycle of an organism or cell: Mitosis is essential for growth, repair, and asexual reproduction; Meiosis is essential for sexual reproduction and genetic diversity.
- Type of reproduction: Mitosis is associated with asexual reproduction; Meiosis is associated with sexual reproduction.
- Types of cells that undergo the process (areas of the body): Mitosis occurs in somatic (body) cells throughout the body; Meiosis occurs in germ cells in the gonads (ovaries and testes).
- Types of cells produced by the process: Mitosis produces two diploid daughter cells; Meiosis produces four haploid gametes (sperm or egg cells).
- Behavior of homologous chromosomes during prophase: In mitosis, homologous chromosomes do not pair up; in meiosis, homologous chromosomes pair up and may exchange segments (crossing over).
- Behavior of homologous chromosomes during metaphase: In mitosis, individual chromosomes line up single file at the metaphase plate; in meiosis I, homologous chromosome pairs line up as tetrads at the metaphase plate.
- Number of nuclear divisions: Mitosis involves one nuclear division; Meiosis involves two sequential nuclear divisions (meiosis I and meiosis II).
- Replication of DNA: DNA replicates once before mitosis begins; DNA replicates once before meiosis I begins, with no replication before meiosis II.
- Cytokinesis: Cytokinesis typically occurs once after mitosis; cytokinesis occurs after both meiosis I and meiosis II.
- Number of daughter cells produced at the end of the process: Mitosis results in two genetically identical daughter cells; Meiosis results in four genetically non-identical daughter cells.
- Mother cell’s genetic makeup compared to daughter cells’ genetic makeup: In mitosis, daughter cells are genetically identical to the mother cell; in meiosis, daughter cells have half the chromosomes and are genetically different from the mother cell due to recombination and independent assortment.
Parent Tip: Review the logic above to help your child master the concept of mitosis vs meiosis worksheet.
