meiosis and mitosis

Cards (83)

  • Cell division is the process by which a parent cell divides into two or more daughter cells.
  • Mitosis is a type of cell division that results in two daughter cells, each having the same number and kind of chromosomes as the parent nucleus.
  • The first phase of mitosis is called prophase, during which the chromatin condenses into visible chromosomes.
  • Meiosis is a type of cell division that occurs in sexually reproducing organisms.
  • Meiosis is a type of cell division that occurs in sexually reproducing organisms to produce gametes.
  • Meiosis is a type of cell division that occurs in sexually reproducing organisms, while mitosis is a type of cell division that occurs in both sexually and asexually reproducing organisms.
  • Meiosis is important because it is the process by which gametes (sex cells) are formed for sexual reproduction.
  • There are two main types of cell division: meiosis and mitosis.
  • Meiosis is a type of cell division that occurs in sexually reproducing organisms and results in the formation of gametes (sperm and egg cells).
  • Mitosis is a type of cell division that occurs in both sexually and asexually reproducing organisms and results in the formation of identical daughter cells.
  • In meiosis, the parent cell undergoes two rounds of division, resulting in four daughter cells with half the number of chromosomes as the parent cell.
  • In mitosis, the parent cell undergoes one round of division, resulting in two daughter cells with the same number of chromosomes as the parent cell.
  • In prophase, the nuclear envelope breaks down and the spindle fibers begin to form.
  • The second phase of mitosis is called metaphase, during which the chromosomes line up along the equator of the cell.
  • In metaphase, the spindle fibers attach to the centromeres of the chromosomes.
  • The third phase of mitosis is called anaphase, during which the sister chromatids separate and move towards opposite poles of the cell.
  • In anaphase, the spindle fibers shorten and pull the sister chromatids apart.
  • Mitosis occurs in somatic cells, which are non-reproductive cells, and is responsible for growth, repair, and asexual reproduction.
  • The process of mitosis consists of four main stages: prophase, metaphase, anaphase, and telophase.
  • In prophase, the chromatin condenses into visible chromosomes, the nuclear envelope breaks down, and the spindle fibers begin to form.
  • In metaphase, the chromosomes line up along the equator of the cell and attach to the spindle fibers at their centromeres.
  • In anaphase, the sister chromatids separate and move towards opposite poles of the cell, pulled by the spindle fibers.
  • It involves two rounds of division, resulting in the formation of four daughter cells.
  • Meiosis is responsible for the production of gametes (sperm and egg cells) in animals and spores in plants.
  • During meiosis, the DNA is replicated once, but the cell divides twice.
  • The first division, called meiosis I, separates homologous chromosomes, while the second division, called meiosis II, separates sister chromatids.
  • Meiosis I consists of four stages: prophase I, metaphase I, anaphase I, and telophase I.
  • There are two main phases of meiosis: meiosis I and meiosis II.
  • Meiosis I consists of four sub-phases: prophase I, metaphase I, anaphase I, and telophase I.
  • During prophase I, homologous chromosomes pair up and exchange genetic material in a process called crossing over.
  • Metaphase I is characterized by the alignment of homologous chromosome pairs along the equator of the cell.
  • Anaphase I involves the separation of homologous chromosomes, with one chromosome from each pair moving to opposite poles of the cell.
  • Mitosis is important because it is the process by which cells divide and reproduce, allowing for growth, repair, and replacement of damaged or old cells.
  • Meiosis ensures genetic diversity by shuffling and recombining genetic material during the formation of gametes.
  • Mitosis ensures genetic stability by producing genetically identical daughter cells.
  • Meiosis is crucial for sexual reproduction because it allows for the fusion of gametes from two parents, resulting in offspring with a unique combination of genetic traits.
  • Mitosis is essential for asexual reproduction, as it allows for the production of offspring that are genetically identical to the parent organism.
  • Meiosis results in the formation of gametes (sex cells), while mitosis results in the formation of somatic cells (body cells).
  • Meiosis involves two rounds of cell division, while mitosis involves only one round of cell division.
  • In meiosis, homologous chromosomes pair up and exchange genetic material through a process called crossing over, while in mitosis, homologous chromosomes do not pair up or exchange genetic material.