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Best of luck!!  Meiosis Cell Cycle Quiz I Facts  Average Score for this quiz: 32%  No of times this quiz has been taken: 23  No of people passing this quiz: 3  No of people failing this quiz: 20  Maximum score for this quiz: 83% Coverage : The Meiosis Cell Cycle Quiz Part 2 tests your knowledge about key events in meiosis I. 1.  Crossover swaps by homologous chromosomes during prophase I of meiosis: a. Occur at breaks made at identical sites b. Occur between sister chromatids c. Occur between nonsister chromatids d. Are sealed by enzymes   2.  Which are true of eukaryotic homologous chromosomes at the end of prophase I? a. They are completely detached from each other b. They are threadlike fibers in appearance c. They are attached to the nuclear envelope d. They are detached from the nuclear envelope   3.  Homologous chromosomes condense and draw close to each other in a process termed: a. Crossing over b. Allelic transformation c. Synapsis d. Telophase   4.  Why is gene swapping important? a. It allows new combinations of alleles b. It allows new combinations of genetic and phenotypic traits c. It allows sexual reproduction to occur in prokaryotes d. It is important for evolution to occur   5.  Right now in each germ cell in your body you have: a. 23 maternal and 23 homologous paternal chromosomes b. 23 maternal and 23 nonhomologous paternal chromosomes c. 24 maternal and 24 homologous paternal chromosomes d. 24 maternal and 24 nonhomologous paternal chromosomes   6.  Why don't all maternal homologous chromosomes necessarily go to the same spindle pole during metaphase? a. There is a predetermined combination of maternal and paternal chromosomes for each spindle pole b. Only genes for certain trait combinations can go to each spindle pole c. First contacts between spindle microtubules and chromosomes are random d. Maternal and paternal chromosomes have different microtubule affinities   7.  For crossing over to occur the breaks in the nonsister chromatids need not be in exactly the same place, just close. a. True b. False   8.  The combinations of paternal and maternal chromosomes possible for gametes formed through meiosis is equal to 2 exp n where n equals the number of homologous pairs.  If there are 5 pairs of homologous chromosomes, then how many possible gametes can be formed? a. 8 b. 16 c. 32 d. 64   9.  Only one crossover can take place between two nonsister chromatids. a. True b. False   10.  How does the fact that all four chromatids in a homologous pair become "zippered" together increase genetic recombination? a. The interactions between both sets of sister chromatids increases crossing over b. Being close allows prophase I to proceed faster c. The zippering allows multiple crossover events d. It helps to align microtubules in metaphase I   11.  Why is each additional individual crossover event important? a. Each additional event leads to more genetic recombination b. Alleles on different chromosomes often vary slightly so more changes c. Only the first 3 or 4 events matter d. Only the first event is important   12.  Of what are chiasmata indirect evidence? a. A crossover b. Condensing of chromosomes c. Breaks in RNA molecules d. New allele combinations   Please enter your Name and what you would like to tell everyone about Meiosis Cell Cycle I  Name: Think you know more about Meiosis Cell Cycle I and would like others to know too? Whether its a great fact, a joke, a personal experience or an interesting anecdote, please share it with all the human beings on planet earth. Your contribution will help keep QuizMoz a free site for all.    (Optional) (average submission size - 5 to 10 lines) What others think about Meiosis Cell Cycle I By: Aumkar on 10/12/2008    It was enjoyable. By: Erin on 10/11/2008    it was a fun and interseting quiz! By: Kayla on 10/10/2008    I think this is a great quiz full of knowlodge and information. By: Samantha on 10/9/2008    This is so cool. Even though I really did not know some of the questions, it was still fun! By: Tommy on 10/8/2008    Great site. Good learning and fun.   Home     About Us      Advertise     Terms of Service     Privacy Policy     Contact QuizMoz    FAQ     SiteMap Copyright © 2007.www.quizmoz.com. All rights are reserved.