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Sep 12, 2023 · Outcome. While mitosis yields two daughter cells that are genetically identical (2n) to the parent cell, meiosis produces four haploid (n) cells that are genetically different from the parent cell. Mitosis: Two identical daughter cells. Meiosis: Four non-identical daughter cells with half the chromosome number.
- Cell Cycle Phases and Checkpoints
Interphase steps are the first gap phase (G 1), the...
- Cell Cycle Phases and Checkpoints
- Prophase. Prophase is the first step of mitosis. This is when the genetic fibers within the cell’s nucleus, known as chromatin, begin to condense and become tightly compacted together.
- Metaphase. Metaphase is the phase of mitosis that follows prophase and prometaphase and precedes anaphase. Metaphase begins once all the kinetochore microtubules get attached to the sister chromatids’ centromeres during prometaphase.
- Anaphase. The third phase of mitosis, following metaphase and preceding telophase, is anaphase. Since the sister chromatids began attaching to centrosomes on opposite ends of the cell in metaphase, they’re prepped and ready to start separating and forming genetically-identical daughter chromosomes during anaphase.
- Telophase. Telophase is the last phase of mitosis. Telophase is when the newly separated daughter chromosomes get their own individual nuclear membranes and identical sets of chromosomes.
- What Are Mitosis and meiosis?
- Mitosis
- Meiosis
- The Stages of Meiosis
Mitosis and meiosis are both types of cell division. Though there are similarities between mitosis and meiosis, there are some key differences between these two processes. Mitosis is how new body cells are produced, whereas meiosis is used to produce gametes (i.e. sperm and egg cells).
Mitosis is how the cells of your body reproduce. During mitosis, a diploid parent cell (i.e. a cell with two sets of chromosomes) makes a complete copy of its DNA before splitting in two. This process produces two genetically identical daughter cells and takes place across five phases. The phases of mitosis are prophase, prometaphase, metaphase, an...
Almost all of your body’s cells divide by mitosis. Meiosis is used to produce only one type of cell, and those are the gametes. During meiosis, a diploid cell divides to produce four, non-identical haploid daughter cells, each containing a single set of chromosomes. In humans, these are sperm and egg cells. Unlike mitosis, meiosis involves two roun...
Meiosis I
Like mitosis, meiosis I takes place across five stages. Before this first round of cell division begins, the cell’s DNA is replicated during the interphase of the cell cycle.
Meiosis II
Meiosis II is very similar to the process of mitosis, except it involves two haploid cells rather than one diploid cell.
- Kate Latham
One of the key differences in mitosis is a single cell divides into two cells that are replicas of each other and have the same number of chromosomes. This type of cell division is good for basic growth, repair, and maintenance. In meiosis a cell divides into four cells that have half the number of chromosomes.
- Sometimes you accidentally bite your lip or skin your knee, but in a matter of days the wound heals. Is it magic? Or, is there another explanation?...
- You and I began as a single cell, or what you would call an egg. By the time you are an adult, you will have trillions of cells. That number depend...
- In cell division, the cell that is dividing is called the "parent" cell. The parent cell divides into two "daughter" cells. The process then repeat...
Dec 8, 2016 · Meiosis is the process in eukaryotic, sexually-reproducing animals that reduces the number of chromosomes in a cell before reproduction. Many organisms package these cells into gametes, such as egg and sperm. The gametes can then meet, during reproduction, and fuse to create a new zygote. Because the number of alleles was reduced during meiosis ...
The result of mitosis is two identical daughter cells, genetically identical to the original cell, all having 2N chromosomes. So during a mitotic cell cycle, the DNA content per chromosome doubles during S phase (each chromosome starts as one chromatid, then becomes a pair of identical sister chromatids during S phase), but the chromosome number stays the same.
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Aug 8, 2023 · Interphase steps are the first gap phase (G 1), the synthesis phase (S), and the second gap phase (G 2). Cells divide during mitosis (M). The final step of mitosis, or the following step (depending on your source) is cytokinesis. Cytokinesis is the division of the cell’s cytoplasm, which forms two new cells. Some cells exit the cycle and ...
