Mader: Biology 8 th Ed. Meiosis and Sexual Reproduction Chapter 10 1 Mader: Biology 8 th Ed. Outline • Reduction in Chromosome Number • Homologous Pairs • Meiosis Overview • Genetic Recombination – Crossing-Over – Independent Assortment – Fertilization • Meiosis I • Meiosis II • Human Life Cycle 2 Mader: Biology 8 th Ed. Halving the Chromosome Number • In sexually reproducing organisms, meiosis reduces the chromosome number from diploid to haploid. – Gametes are haploid, and the fusion of two gametes forms a diploid organism. 3 Mader: Biology 8 th Ed. Homologous Pairs • Homologous chromosomes (homologues) are paired chromosomes that code for the same traits (one inherited from each parent). 4
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Meiosis and Sexual Reproduction Outline Reduction in ... · Mader: Biology 8 th Ed. Meiosis and Sexual Reproduction Chapter 10 1 Mader: Biology 8 Ed. Outline • Reduction in Chromosome
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