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1 1 Asexual Reproduction Mitosis DSQ: Mitosis is the process in which the nucleus divides to form two new nuclei. How does mitosis differ in plants and.

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Presentation on theme: "1 1 Asexual Reproduction Mitosis DSQ: Mitosis is the process in which the nucleus divides to form two new nuclei. How does mitosis differ in plants and."— Presentation transcript:

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2 1 1 Asexual Reproduction Mitosis DSQ: Mitosis is the process in which the nucleus divides to form two new nuclei. How does mitosis differ in plants and animals? Mrs. Camp 7 th Grade Life Science

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4 DSQ: Mitosis is the process in which the nucleus divides to form two new nuclei. How does mitosis differ in plants and animals?

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9 8 8 Asexual Reproduction Mitosis DSQ: Mitosis is the process in which the nucleus divides to form two new nuclei. How does mitosis differ in plants and animals? ANALYZE (break apart, study the pieces) There is a question within a question in this DSQ. Can you identify the question within the DSQ?

10 How do little elephants grow up to be BIG elephants?

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12 The process of asexual reproduction begins after a sperm fertilizes an egg.

13 Skin cancer - the abnormal growth of skin cells - most often develops on skin exposed to the sun. Cell that reproduce by asexual reproduction reproduce constantly.

14 Animated Mitosis Cycle Interphase Prophase Metaphase Anaphase Telophase & Cytokinesis

15 Chromosomes are copied (# doubles) Chromosomes appear as threadlike coils ( chromatin ) at the start, but each chromosome and its copy( sister chromosome) change to sister chromatids at end of this phase CELL MEMBRANE Nucleus Cytoplasm

16 Animal Cell Plant Cell Photographs from:

17 Mitosis begins (cell begins to divide) Centrioles (or poles) appear and begin to move to opposite end of the cell. Spindle fibers form between the poles. Centrioles Sister chromatids Spindle fibers

18 Animal Cell Plant Cell Photographs from: Spindle fibers Centrioles

19 Chromatids (or pairs of chromosomes) attach to the spindle fibers. Centrioles Spindle fibers

20 Animal Cell Plant Cell Photographs from:

21 Chromatids (or pairs of chromosomes) separate and begin to move to opposite ends of the cell. Centrioles Spindle fibers

22 Animal Cell Plant Cell Photographs from:

23 Two new nuclei form. Chromosomes appear as chromatin (threads rather than rods). Mitosis ends. Nuclei Chromatin

24 Animal Cell Plant Cell Photographs from:

25 Cell membrane moves inward to create two daughter cells – each with its own nucleus with identical chromosomes.

26 Animal Mitosis -- Review Interphase Prophase Metaphase Anaphase Telophase Interphase

27 Plant Mitosis -- Review Interphase Prophase Metaphase Anaphase Telophase Interphase

28 I I nterphase P P rophase M M etaphase A A naphase T T elophase C C ytokinesis IPMATC I Pray M ore At T he Church

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30 29 - Cell Division 29

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