GRADED Assignment II Spr08

GRADED Assignment II Spr08 - BSC 2011 UNIT II ASSIGNMENT...

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BSC 2011 UNIT II ASSIGNMENT (25 points) SPRING 2008 Name, please: _______________________ Last 4 of SS#: ___________ The purpose of these assignments is to “encourage” you to review your notes and text material, and to integrate numerous facts and terms into broad but meaningful concepts. Please try and work on your own at first, but don’t hesitate to ask for assistance from me or your TAs. If you work with a fellow student, please be sure to frame your answers in your own words – we will call you to task on this and instances of copying will be severely penalized. This assignment is due at the beginning of class on Feb. 21 st . We will randomly select questions to grade and post the answers prior to your Unit II exam. – Thanks, Dr. Spears UNIT II: Patterns of Inheritance (Mendelian Genetics; also cell division and cell cycle) 1. Describe a duplicated (or “replicated”) chromosome. 2. To what does the cell cycle refer and what “events” (stages, steps, etc.) are involved? 3. Why do cells/organisms need to regulate or control the cell cycle? Explain the role of checkpoints. 4. How do cells/organisms regulate or control the cell cycle? Explain the chemical control system that gets cells through the G2 checkpoint. 5. What is the general purpose of mitotic cell division? Describe the step-wise process of mitotic cell division. Compare the number of chromosomes before the start of mitosis, at each step, and at the end. 6. What do cancer and the cell cycle have to do with one another? What do cancer and gene regulation have to do with one another? 7. Compare/contrast somatic vs. germ cells (a.k.a. sex cells or gametes) with respect to location in an organism, function, how they are formed, and chromosome number. 8. Describe a karyotype. What does a karyotype reveal? Why are karyotypes useful? 9. What does it mean when we say that, in eukaryotes, “chromosomes exist in pairs?” What are the two chromosomes that make up a pair called? How are they similar to each other? How are they possibly different from each other? 10.
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GRADED Assignment II Spr08 - BSC 2011 UNIT II ASSIGNMENT...

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