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Asexual Reproduction

Asexual Reproduction. Anna Ward James Martin MS. Do Now!!!. Several of you missed the quiz on Friday. You will take that now. If your quiz is completed, then please read the article, “IN DEPTH” about salamanders. Answer the following questions on page 4 of your science notebook:

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Asexual Reproduction

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  1. Asexual Reproduction Anna Ward James Martin MS

  2. Do Now!!! • Several of you missed the quiz on Friday. You will take that now. • If your quiz is completed, then please read the article, “IN DEPTH” about salamanders. Answer the following questions on page 4 of your science notebook: • What is the name of the process salamanders use to regrow their tails? In your own words, how does this happen?

  3. Announcements • Science Fair Projects • Report Cards/Touch Base with Teachers • Expectations for this week • Quiz Friday

  4. Vocabulary Fun Run…

  5. Asexual Reproduction: A type of reproduction in which a single organism produces offspring that have the same genetic material • Sexual Reproduction: A type of reproduction in which male and female reproductive cells combine to form offspring with genetic material from both cells • Mitosis: Cell division resulting in two identical cells • Meiosis: Cell division resulting in four sex cells with half the normal amount of genetic material • Gametes: A sperm or egg cell that contains half the usual number of chromosomes • Gene: The basic unit of heredity that consists of a segment of DNA on a chromosome • Heredity: The passing of genes from parent to offspring • Traits: Characteristics that inherited from parent to offspring • DNA: The genetic material found in all living cells • Chromosomes: The physical structure in the cell that contains the cell’s genetic material • Genome: The full DNA sequence of an organism • Mutation: Any change made in DNA

  6. Brain Pop!!! • http://www.brainpop.com/science/cellularlifeandgenetics/asexualreproduction/

  7. Asexual Reproduction…(Page 4) • Asexual Reproduction is when a single organism produces offspring that have the same genetic material • Some Examples: • Budding (Hydra) • Fragmentation (Some kinds of worms) • Regeneration (Starfish) • Binary Fission (Bacteria) • Mitosis (Cell Division)

  8. Benefits of Asexual Reproduction… • Asexual Reproduction has benefits: • Organisms can reproduce quickly • Necessary for organisms can grow and develop • Allows for repair of damage to the organism

  9. Binary Fission in an E.Coli… • http://www.youtube.com/watch?v=DY9DNWcqxI4

  10. Starfish Regeneration • http://www.youtube.com/watch?v=d5dOSyaKWTQ

  11. Mitosis…cell division in our bodies • http://www.youtube.com/watch?v=VlN7K1-9QB0

  12. Current Events…Growing Body Parts • http://www.youtube.com/watch?v=o1ewAheYSXs

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