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Cell growth, Division and Reproduction

Cell growth, Division and Reproduction. Cell Division. Produces 2 daughter cell Asexual Reproduction – produces genetically identical offspring from a single parent. Binary fission in prokaryotic cells Mitosis in eukaryotic cells

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Cell growth, Division and Reproduction

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  1. Cell growth, Division and Reproduction

  2. Cell Division • Produces 2 daughter cell • Asexual Reproduction – produces genetically identical offspring from a single parent. • Binary fission in prokaryotic cells • Mitosis in eukaryotic cells • Sexual Reproduction – offspring produced by reproductive cells of 2 parents. • Meiosis – inherit genetic information from each parent

  3. Chromosomes

  4. Binary Fission

  5. Cell Cycle – Eukaryote

  6. Mitosis • Division of the nucleus • Asexual reproduction • Body cells – somatic cells • 4 phases • Prophase • Metaphase • Anaphase • Telophase

  7. Interphase • Growth, DNA synthesis • Prep for Mitosis • Chromatin material, no chromosomes

  8. Prophase • Longest phase • Genetic material condenses • Chromosomes visible • Nuclear envelope disappears • Spindles forming

  9. Metaphase • Centromeres of chromosome line up across center of cell • Spindle fibers connect centromere of chromosome to 2 poles of cell

  10. Anaphase • Sister chromatids separate and begin to move apart. Each chromatid is not considered a chromosome.

  11. Telophase • Chromosomes uncoil , nuclear envelope reappears, spindle begins to break apart, nucleolus visible. • Cell division complete

  12. Cytokinesis • All that is left is to split the cytoplasm, usually occurs same time as telophase. • Cell is split into 2 • Animal cell has actin filament that draws in membrane, plant cell produces cell plate

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