quiz_1_fall 2009-KEY

quiz_1_fall 2009-KEY - BIO325Genetics...

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BIO325 Genetics Instructor: Dr. Tracey Ruhlman TA: Teofil Nakov QUIZ 1 - KEY Points are given in parentheses after each question. Total points = 20.  1. State the number of nuclear DNA molecules (=chromatids) per cell for each of the following  stages in the life cycle of a diploid organism with  12 chromosomes in its gametes . The onset  of anaphase is considered a transition between two cells.  a) Metaphase of meiosis.                 48                                 (1) b) G1 of the meiotic interphase.                 24                                 (1) c) Anaphase of meiosis I.                 24                                 (1) d) Telophase of meiosis II.                 12                                 (1) 2. Name each of the following crosses, some names might repeat: 
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quiz_1_fall 2009-KEY - BIO325Genetics...

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