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© 2014 Pearson Education, Inc. Figure 10.2 (a) Hydra(b) Redwoods Parent 0.5 mm Bud Asexual Reproduction
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© 2014 Pearson Education, Inc. Figure 10.1 Sexual Reproduction
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© 2014 Pearson Education, Inc. Figure 10.3b Pair of homologous duplicated chromosomes Centromere Sister chromatids Metaphase chromosome 5 m
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© 2014 Pearson Education, Inc. Figure 10.4 Key Centromere Pair of homologous chromosomes (one from each set) Sister chromatids of one duplicated chromosome Two nonsister chromatids in a homologous pair 2n 6
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© 2014 Pearson Education, Inc. Normal Female SEX CHROMOSOMES
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© 2014 Pearson Education, Inc. Normal Male
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© 2014 Pearson Education, Inc.
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Figure 10.5 Key Haploid (n) Diploid (2n) Egg (n) Haploid gametes (n 23) Sperm (n) OvaryTestis Diploid zygote (2n 46) Mitosis and development Multicellular diploid adults (2n 46) MEIOSIS FERTILIZATION
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© 2014 Pearson Education, Inc. Figure 10.7
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© 2014 Pearson Education, Inc. Figure 10.8a MEIOSIS I: Separates homologous chromosomes Prophase IMetaphase IAnaphase I Telophase I and Cytokinesis Sister chromatids Sister chromatids remain attached Cell divides Homologous chromosomes separate Crossing Over Homologous chromosomes
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© 2014 Pearson Education, Inc. Figure 10.8b MEIOSIS II: Separates sister chromatids Prophase IIMetaphase IIAnaphase II Telophase II and Cytokinesis Sister chromatids separate Haploid daughter cells forming
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© 2014 Pearson Education, Inc. Figure 10.9a MITOSISMEIOSIS Metaphase 2n2n2n2n Daughter cells of mitosis Parent cell 2n = 6 Chromosome duplication Chiasma MEIOSIS I Prophase I Metaphase I MEIOSIS II Daughter cells of meiosis II nn nn Anaphase Telophase Homologous chromosome pair Chromosome duplication Comparing Mitosis and Meiosis
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© 2014 Pearson Education, Inc. Figure 10.10-3 Possibility 1 Possibility 2 Two equally probable arrangements of chromosomes at metaphase I Metaphase II Daughter cells Combination 1Combination 2Combination 3Combination 4 Independent Assortment
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© 2014 Pearson Education, Inc. Crossing Over
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© 2014 Pearson Education, Inc. Figure 10.11-5 Prophase I of meiosis Pair of homologs Chiasma Centromere TEM Synapsis and crossing over Breakdown of proteins holding sister chromatid arms together Daughter cells Recombinant chromosomes Nonsister chromatids held together during synapsis
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