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Published byJudith Gertrude Bond Modified over 8 years ago
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Asexual Reproduction
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Fission Budding Fragmentation & Regeneration
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Chromatin to Chromosomes
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Cell Cycle
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Interphase G 1 = Growth S = DNA Replication G 2 = Growth Centrioles with asters
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Prophase Chromatin to chromosomes Nucleus and Nucleolus disappear Chromosomes Two chromatids with centromere Kinetochore Spindle apparatus
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Metaphase Centrosomes at opposite poles Chromosomes line up on metaphase plate
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Anaphase Chromosomes pulled apart – become daughter chromosomes
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Telophase and Cytokinesis Reverse of Prophase Cytokinesis Animal cells Cleavage Furrow Plant cells Cell Plate
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Mitosis Control
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Cancer Transformation Tumor Benign Malignant Metastasis
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Sexual Reproduction
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Parthenogenesis
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Hermaphrodites
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Sequential Hermaphrodites
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Human Life Cycle Haploid Gametes Diploid
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Meiosis Overview
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Meiosis Prophase I Homologous chromosomes form tetrads Crossing Over occurs
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Meiosis Metaphase I Tetrads line up on metaphase plate Independent Assortment
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Meiosis Anaphase I Tetrads pulled apart
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Meiosis Telophase I Two cells that are haploid Plant Cells – Cell Plate Animal cells – Cleavage furrow
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Meiosis Meiosis II Prophase II – Telophase II just like mitosis End with four cells that are haploid
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Mitosis vs. Meiosis
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Crossing Over
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Independent Assortment
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Sexual Sources of Variation Crossing Over Independent Assortment Random Fertilization Mutations
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