Chapter 15 Study Guide - Name__________________________ Due at the beginning of class Friday April 8th, 2011 Worth 15 Points *You are responsible for all material from Chapter 15. I would recommend at least reading the chapter, reviewing the vocabulary, and answering end of the chapter questions in your book. The test is Friday. 15.1 1. Crossing dissimilar individuals to bring together their best characteristics is called _____________. 2. Crossing individuals with similar characteristics so that those characteristics will appear in their offspring is called _____________. 3. Taking advantage of naturally occurring variations in organisms to pass wanted traits on to future generations is called _____________. 4. How do breeders produce genetic variations that are not found in nature? 5. What is polyploidy? When is this condition useful? 15.2 1. Organisms that contain genes from other organisms are called _____________. 2. During transformation, a cell takes in DNA from ____________ the cell. 3. Bacteria often contain small circular molecules of DNA known as _____________. 4. A member of a population of genetically identical cells produced from a single cell is a _____________. 5. This type of enzyme produces DNA fragments with skicky ends. _____________ 6. This joins two pieces of DNA. _____________ 7. Describe one or more advantages of producing insulin and other proteins using genetic engineering. Video Notes on Science 360 – Genetic Engineering 1. What disease is discussed in the video? _____________ 2. Where did insulin previously come from? 3. What is used to cut DNA? _____________ 4. What does Ligase do? _____________ 5. Why was the bacteria E. Coli chosen to use? 6. What is placed in the bacteria that carries the insulin gene? _____________ 7. What are 2 other uses of genetic engineering that the video mentions? 15.3 1. What are three benefits of genetically modified crops? a. . b. . c. . 2. This gene makes it so that plants do not have to be sprayed with pesticides _____________. 3. List three animals that can be genetically modified and what the benefit is. a. Benefit b. Benefit c. Benefit 4. A substance that has been genetically engineered into transgenic rice has the potential to treat _____________. 5. What is the process of changing a gene to treat a medical disease or disorder where an absent or faulty gene is replaced by a normal working gene? __________________________. 6. Physicians can screen for a genetic disorder using __________________________. 7. This is a glass slide or silicon chip that carries thousands of different kinds of single-stranded DNA fragments arranged in a grid and is used to detect and measure the expression of thousands of genes at one time_____________. 8. What is the graphic to the right showing? 9. Who is the match? 10. What are two important uses for this technique? 11. On page 434 of your book it tells how testing was done to try to determine if President Thomas Jefferson fathered the child of a slave. What did the test indicate? How would we determine parental linkages from a mother and from a father? 15.4 1. About what fraction of the known genes of the human genome are patented? _____________ 2. What act protects Americans from discrimination based on their genetic information? _______________________________________ 3. Are you in favor or against the use of genetically modified foods? Why? Chapter Overview 1. Briefly describe the steps involved in inserting a human gene into a bacterium.
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