hw 1 - FNR 305 Conservation Genetics 1. Define a gene....

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FNR 305 Conservation Genetics Homework #1 Due 1/21/2010 1. Define a gene. 2. True or False? If false, why? a. Any chromosome may pair with any other chromosome during meiosis b. Mitosis leads to significant genetic variation in organisms. 3. Determine whether each of the following events occurs in mitosis, meiosis, or in both kinds of nuclear division: 4. Assume that you are examining a cell under a microscope and you observe the following as the total chromosomal constituents of a nucleus. You know that 2 n =2 in this organism, that all chromosomes are metacentric, and that each G1 cell nucleus contains 10 picograms of DNA. (a) Circle the correct stage for this cell: anaphase of mitosis anaphase of meiosis I anaphase of meiosis II telophase of mitosis (b) How many picograms of chromosomal DNA would you expect in the cell shown above? _________ Cytological Event Mitosis Meiosis Both Homologous pairs of chromosomes align at the metaphase plate Haploid cells are the end result Individual chromosomes align at the metaphase plate Chiasmata formation occurs DNA synthesis occurs prior to the initial stage
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This note was uploaded on 05/02/2011 for the course FNR 305 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

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hw 1 - FNR 305 Conservation Genetics 1. Define a gene....

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