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Asexual Reproduction. Fission Budding Fragmentation & Regeneration.

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Presentation on theme: "Asexual Reproduction. Fission Budding Fragmentation & Regeneration."— Presentation transcript:

1 Asexual Reproduction

2 Fission Budding Fragmentation & Regeneration

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4 Chromatin to Chromosomes

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6 Cell Cycle

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9 Interphase G 1 = Growth S = DNA Replication G 2 = Growth Centrioles with asters

10 Prophase Chromatin to chromosomes Nucleus and Nucleolus disappear Chromosomes Two chromatids with centromere Kinetochore Spindle apparatus

11 Metaphase Centrosomes at opposite poles Chromosomes line up on metaphase plate

12 Anaphase Chromosomes pulled apart – become daughter chromosomes

13 Telophase and Cytokinesis Reverse of Prophase Cytokinesis Animal cells Cleavage Furrow Plant cells Cell Plate

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20 Mitosis Control

21 Cancer Transformation Tumor Benign Malignant Metastasis

22 Sexual Reproduction

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24 Parthenogenesis

25 Hermaphrodites

26 Sequential Hermaphrodites

27 Human Life Cycle Haploid Gametes Diploid

28 Meiosis Overview

29 Meiosis Prophase I Homologous chromosomes form tetrads Crossing Over occurs

30 Meiosis Metaphase I Tetrads line up on metaphase plate Independent Assortment

31 Meiosis Anaphase I Tetrads pulled apart

32 Meiosis Telophase I Two cells that are haploid Plant Cells – Cell Plate Animal cells – Cleavage furrow

33 Meiosis Meiosis II Prophase II – Telophase II just like mitosis End with four cells that are haploid

34 Mitosis vs. Meiosis

35 Crossing Over

36 Independent Assortment

37 Sexual Sources of Variation Crossing Over Independent Assortment Random Fertilization Mutations


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