Week 3 - Chapter 8 The Cellular Basis of Reproduction and I...

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Unformatted text preview: Chapter 8 The Cellular Basis of Reproduction and I nheritance Pg. 125-151 I. Rain forest rescue A. Life cycle B. Genome I I. Connections between cell division and reproduction A. Like begets like, more or less 1. Asexual reproduction 2. Chromosome 3. Sexual reproduction B. Cells arise only from preexisting cells 1. Cell division C. Prokaryotes reproduce by binary fission 1. Binary fusion 2. Escherichia coli I I I.The eukaryotic cell cycle and mitosis A. The large, complex chromosomes of eukaryotes duplicate with each cell division 1. Chromatin 2. Sister chromatids 3. Centromere B. The cell cycle multiplies cells 1. Cell cycle 2. Interphase 3. Mitotic phase (M phase) 4. Mitosis 5. Cytokinesis C. Cell division is a continuum of dynamic changes 1. Prophase 2. Prometaphase 3. Metaphase 4. Anaphase 5. Telophase 6. Mitotic spindle 7. Centrosomes 8. Microtubule-organizing centers D. Cytokinesis differs for plant and animal cells 1. Cleavage furrow 2. Cell plate E. Anchorage, cell density, and chemical growth factors affect cell division 1. Growth factor 2. Destiny dependent inhibition 3. Anchorage dependence F. Growth factors signal the cell cycle control system 1. Cell cycle control system G. Growing out of control, cancer cells produce malignant tumors 1. Tumor 2. Benign tumor 3. Malignant tumor 4. Metastasis 5. Carcinomas 6. Sarcomas 7. Leukemias 8. Lymphomas H. Review: Mitosis provides for growth, cell replacement, and asexual reproduction IV. Meiosis and crossing over A. Chromosome are matched in homologous pairs 1. Somatic cell 2. Homologous chromosomes 3. Locus 4. Sex chromosomes 5. Autosomes B. Gametes have as single set of chromosomes 1. Diploid cell 2. Gametes 3. Haploid cell 4. Fertilization 5. Zygote C. Meiosis reduces the chromosome number from diploid to haploid 1. Meiosis D. Mitosis and meiosis have important similarities and differences 1. Tetrad 2. Haploid E. Independent orientation of chromosomes in meiosis and random fertilization lead to varied offsprings F. Homologous chromosomes can carry different versions of genes...
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This note was uploaded on 01/23/2011 for the course BIO 120 taught by Professor Dabney during the Spring '10 term at CHUMSCI.

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Week 3 - Chapter 8 The Cellular Basis of Reproduction and I...

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