B311080116 - B311D080116 Mitosis meiosis reproduction DNA...

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B311D080116 Mitosis, meiosis, reproduction, DNA Genetic variation by independent assortment Crossing over makes new combinations Meiotic errors (mutations) --There is a new handout (Handout 2) today near the back entrance --If you are in this class, but were not here Monday, please pick up old handouts on front table and fill out index card --Homework assignment one will be posted on Blackboard tonight, due Wednesday the twenty- third --Consider taking BIO325 (Genetics) in Spain this summer) Remember that somatic cells are diploid, gametes are products of meiosis, and somatic growth is by the cell division that is called mitosis. Remember the products of meiosis serve as the gametes after they become specialized. Almost all of the cells in our body, except for sperm or egg, are produced by mitosis. The rest are produced by meiosis. In mitosis, there is a single cell division, but in meiosis, there are two divisions that take place. Sexual reproduction in a diploid (2n) organism and asexual reproductions is only n. The hydra can reproduce asexually and sexually. A tapeworm can fertilize itself by self fertilization. Self fertilization does not mean that it is asexual because it still goes
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This note was uploaded on 09/05/2008 for the course BIO 311D taught by Professor Reichler during the Spring '08 term at University of Texas.

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B311080116 - B311D080116 Mitosis meiosis reproduction DNA...

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