Biology Form 4 Pdf Meiosis Mitosis The difference between the two processes is that mitosis occurs in non reproductive cells, or somatic cells, and meiosis occurs in the cells that participate in sexual reproduction, or germ cells. you can navigate to specific sections of this handout by clicking the links below. mitosis: pg. 1 meiosis: pg. 4 mitosis vs. meiosis: pg. 7. 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.
Form 4 Bio Diagram Pdf Meiosis Mitosis Mitosis of that first cell gives rise to clones that make up the rest of the organism’s body. maintenance: some examples: skin cells slough off, rbc’s live 3 months, intestinal cells divide rapidly to replace older cells. repair: damaged cells ranging from skinned knees to post surgical healing is repaired by mitosis. Meiosis is a critical process, as it increases genetic diversity within a species. cells that divide by meiosis prepare for cellular division (during interphase) much like every other cell. meiosis progresses through the same phases as mitosis (prophase, anaphase, metaphase, telophase, and cytokinesis). Cell life cycle: the lifespan of a cell entails two periods from the time the cell is formed to the time it undergoes cell division. the first period is referred to as the interphase period during which the cells carries out all its metabolic activities including growth. this period is also referred to as the metabolic phase of cell cycle. Sexual reproduction. meiosis is nuclear division reducing the chromosome number from the diploid (2n) to the haploid (n) number. the haploid (n) number is half of the diploid number of chromosomes. sexual reproduction requires gamete formation and then fusion of gametes to form a. a zygote always has the full or diploid (2n) number of chromosomes.
Biology F4 Meiosis Pdf Meiosis Mitosis Cell life cycle: the lifespan of a cell entails two periods from the time the cell is formed to the time it undergoes cell division. the first period is referred to as the interphase period during which the cells carries out all its metabolic activities including growth. this period is also referred to as the metabolic phase of cell cycle. Sexual reproduction. meiosis is nuclear division reducing the chromosome number from the diploid (2n) to the haploid (n) number. the haploid (n) number is half of the diploid number of chromosomes. sexual reproduction requires gamete formation and then fusion of gametes to form a. a zygote always has the full or diploid (2n) number of chromosomes. Cells produced by meiosis in a diploid dominant organism such as an animal will only participate in sexual reproduction. figure 17.4.1 17.4. 1: meiosis and mitosis are both preceded by one round of dna replication; however, meiosis includes two nuclear divisions. the four daughter cells resulting from meiosis are haploid and genetically distinct. Determine whether the following characteristics apply to mitosis, meiosis or both by putting a check (√) in the appropriate column(s). characteristic mitosis meiosis both 1. homologous pairs of chromosomes line up together in metaphase x 2. two divisions x 3. four genetically different daughter cells produced x 4. associated with growth &.
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