Problem Set 3 - chapter 16 - large chromosome changes

Problem Set 3 - chapter 16 - large chromosome changes -...

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Problem set #3 – For Recitation the week of March 16 th . From Griffiths et al textbook: From Chapter 16 : 2, 3, 6, 8, 9, 11, 12, 14, 15, 16, 19, 20, 21, 22, 23, 24 Additional Questions: A) For a species with a diploid number of 18, indicate how many chromosomes will be present in the somatic nuclei of individuals who are haploid, triploid, tetraploid, trisomic, and monosomic. Haploid – 9 Triploid – 27 Tetra – 36 Trisomic 18+1 19 Monosomic - 17 B) Many agricultural products are polyploid. Which of the following would you expect not to be practical as an odd-numbered polyploid (e.g. triploid)? A. Wheat; B. Banana; C. Grape; D. Watermelon; E. Orange. Banana, Watermelon, Grape, Orange 2. autopolyploidy, probably more chromosomes from same species I would test it by growing it in poor soil and seeing if it was still large 3. a trisomic is an aneuploid, because it means that it has one more chromosome than normal 6. Raphanobrassica is fertile whereas its progenitor wasn’t because
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This note was uploaded on 11/04/2011 for the course BIOL 202 taught by Professor Kieber-hogan during the Fall '08 term at UNC.

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Problem Set 3 - chapter 16 - large chromosome changes -...

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