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IB1090925 Insects and genetics March 20, 2009, Pages 30-35 1. Match the name of the individual with the concept he conceived or popularized: a. Francis Galton 1. Uniformitarianism b. Charles Lyell 2. Theory of natural selection c. Thomas Malthus 3. Law of filial regression d. Charles Darwin 4. Populations outgrow food supply e. Alfred Russell Wallace 5. Tendency of varieties to depart from original type f. Walter Flemming 6. Mitosis 2. The process by which those individuals with heritable traits conferring survival produce more offspring than do individuals lacking such traits is called ___________ _____________. 3. Describe 2 entomological phenomena Darwin used to illustrate the action of natural selection. 4. Describe 2 entomological phenomena that Darwin had difficulty explaining in "Origin of Species." 5. Mendel's law of _____________ states that alternative forms of a particular factor (gene) remain discrete during the reproductive process; his second law, the law of ____________ ____________, states that different factors are inherited independently of one another. 6. Who was Thomas Hunt Morgan? 7. The "fruit fly" Drosophila melanogaster is more correctly known as the __________ __________. 8. Give 4 reasons why Drosophila melanogaster is an excellent organism for genetic studies. l. 2 3. 4. 9. What's a sex-linked gene? Give an example of a mutation involving a sex-linked gene in Drosophila melanogaster. 10. Match the term with the definition a. gene 1. change in a gene, either in DNA sequence or location b. locus 2. physical appearance of an organism c. allele 3. location of a gene on a chromosome d. mutation 4. genetic make-up of an organism e. genotype 5. alternative state of a gene or trait f. phenotype 6. segment of DNA on a chromosome coding for a protein or RNA g. chromosome 7. group of coiled DNA strands containing genes 9. genome 8. entire DNA complement of an organism 11. The two scientists who first described the structure of DNA as a double helix were a. Beadle and Tatum b. Hershey and Chase c. Watson and Crick d. Nirenbeg and Khorana 12. How many nucleotide bases make up DNA? Which are purines? Which are pyrimidines? 13. What is the "central dogma" of biology? 14. What does "PCR" stand for? How does it work? 15. True or false: Transposable elements are very rare in Drosophila melanogaster. 16. Which of the following is an insect transposon? a. hermes b. Herves c. woot d. all of the above Which of the following transposons was isolated from a Drosophila speces? a. mariner b. Minos d. hobo d. all of the above 17. What's a transcription factor? 18.What species was genetically engineered to be incapable of vectoring malaria in 2007?. 19. When was the Drosophila melanogaster genome sequenced? Who sequenced it? How many genes does the genome contain? 20. A transcriptome involves: a. DNA b. RNA c. protein d. All of the above 21. Name two UIUC faculty members who are involved in the honey bee genome project: a b. 22. What tool developed at UIUC being used to investigate Colony Collapse Disorder? 23. Name two insects other than Drosophila melanogaster that have been sequenced: a. b. 24. On March 1, 2005, the National Human Genome Research Institute, which oversees government-funded genome sequencing efforts, announced plans to sequence the genome of Rhodnius prolixus. a. What order does this insect belong to? b. What organism does this insect vector? c. What disease is associated with this insect? 25. How can genetic engineering help to reduce the incidence of malaria? Aside from technical obstacles, what other obstacles might stand in the way of using genetic engineering for malaria management?