Asexual Reproduction Tuesday, March 3, 2009
 
What is reproduction? <ul><li>Reproduction is the process by which organisms produce more of their own kind. </li></ul><ul...
Asexual Reproduction <ul><li>Only one parent is involved. </li></ul><ul><li>Offspring are genetically identical to the par...
Mitosis - Body Cells <ul><li>Is the exact duplication of the nucleus of a cell so that it forms two identical cells during...
Binary Fission <ul><li>The nucleus and cell divides by mitosis to form two new identical daughter cells.  Occurs in single...
Budding <ul><li>The division of cytoplasm is unequal so that one daughter cell is larger than the other.  They can separat...
Vegetative Propagation <ul><li>New plants develop from the roots, stems, or leaves of the parent plant.  Occurs only in pl...
Regeneration <ul><li>Regrow lost or damaged part to restore function.  Occurs in starfish, planarians, and newts. </li></ul>
Sporolation <ul><li>Reproduction from specialized single-cells from one parent.  Occurs in mold and fungi. </li></ul>
Advantages and disadvantages <ul><li>BRAINSTORM: What are some potential benefits for organisms that reproduce asexually? ...
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Asexual Reproduction

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Asexual Reproduction

  1. 1. Asexual Reproduction Tuesday, March 3, 2009
  2. 3. What is reproduction? <ul><li>Reproduction is the process by which organisms produce more of their own kind. </li></ul><ul><li>Think-Pair-Share: Is reproduction necessary for the survival of an individual, species, or both? Explain. </li></ul>
  3. 4. Asexual Reproduction <ul><li>Only one parent is involved. </li></ul><ul><li>Offspring are genetically identical to the parent. </li></ul><ul><li>All cells come from a single cell (Psst! They are all clones.) </li></ul>
  4. 5. Mitosis - Body Cells <ul><li>Is the exact duplication of the nucleus of a cell so that it forms two identical cells during cell division. </li></ul>
  5. 6. Binary Fission <ul><li>The nucleus and cell divides by mitosis to form two new identical daughter cells. Occurs in single-celled organisms like amoeba and paramecium. </li></ul>
  6. 7. Budding <ul><li>The division of cytoplasm is unequal so that one daughter cell is larger than the other. They can separate or remain attached. Occurs in hydra and yeast. </li></ul>
  7. 8. Vegetative Propagation <ul><li>New plants develop from the roots, stems, or leaves of the parent plant. Occurs only in plants (fruit trees, pineapples, etc.). </li></ul>
  8. 9. Regeneration <ul><li>Regrow lost or damaged part to restore function. Occurs in starfish, planarians, and newts. </li></ul>
  9. 10. Sporolation <ul><li>Reproduction from specialized single-cells from one parent. Occurs in mold and fungi. </li></ul>
  10. 11. Advantages and disadvantages <ul><li>BRAINSTORM: What are some potential benefits for organisms that reproduce asexually? </li></ul><ul><li>BRAINSTORM: What are some potential disadvantages for this type of reproduction? </li></ul>

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