Reproduction and Chromosome Transmission

Sexual reproduction general information the purpose

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Unformatted text preview: ion. Sexual Reproduction General information The purpose of sexual reproduction is to produce gametes, a process known as gametogenesis. These gametes then combine by the process of fertilization to produce a new individual. Isogameous organisms, such as some species of fungi and algae, produce gametes that are morphologically similar. Heterogameous organisms produce gametes that are not morphologically the same. Sperm cells are produced by the male, are typically small, and must travel a significant distance to reach the egg. Egg cells are produced by the female, are typically large, and usually nonmotile. Gametes are haploid (n) cells that contain a single set of chromosomes. Gametes are produced from diploid cells by the process of meiosis (Figures 3.10-3.15). Meiosis produces cells that are haploid. Meiosis is similar to mitosis in many aspects, except that it involves two consecutive cell divisions with an intervening interphase. The differences between mitosis and meiosis are covered in the following secti...
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This note was uploaded on 05/19/2011 for the course BIO 325 taught by Professor Saxena during the Spring '08 term at University of Texas at Austin.

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