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2008SecCvAKEY - BIO 97 FINAL EXAM KEY 2008 Section C...

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1 BIO 97 FINAL EXAM KEY Version A 2008 Section C Name _____________________________ID#_ _____________ Multiple Choice Section 1pt each 1 What version of the exam do you have? A . A B. C. D. 2 _________ cells have _______ in their genes which make the genes hard to clone. A. Prokaryotic, introns B. Prokaryotic, exons C. Eukaryotic, introns D. Eukaryotic, exons 3 In the United States, genetically modified (GM) crops A. Are banned B. Represent 2/3 of all crops planted C. Must be labeled if intended for human consumption D. Cannot transfer their genes to non-GM plants E. Two of the above answers are correct 4 Which of the following statements is TRUE? A. Bacterial gene order can be determined by conjugation, transformation and transduction. B. Because viruses are resistant to antibiotics, antibiotic resistance genes originate from viruses. C. When an Hfr strain mates with an F- cell, the F- recipient always becomes F+. D. Antibiotic resistance spreads rapidly throughout a population due to transduction. E. A plaque in a bacterial lawn indicates the presence of a lysogen. 5 The Somatic Cell Nuclear Transfer (SCNT) technique could produce all of the below EXCEPT A. Personalized stem cells B. Personalized tissues and organs to be used for regenerative medicine C. Non-viable embryos D. Unlimited quantities of human eggs E. Whole organisms
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2 6 Spinal muscular atrophy (SMA) is an autosomal recessive disorder that causes severe muscle weakness. If both parents are carriers for the SMA gene, what is the probability that their son will have the disease? A. 0 B. 1/2 C. 1/4 D. 1/8 E. 1 7 Reverse transcriptase A. Can be used to make genomic libraries B. Can synthesize DNA without a primer C. Is a man-made enzyme D. Uses DNA as a template E. Makes it possible to produce human proteins in prokaryotic cells 8 Fill in the blanks: Tumor cells often have mutations in __________________. These _______________ mutations promote _____________________. A. checkpoint genes, loss of function, genetic instability B. tumor suppressor genes, dominant, apoptosis C. oncogenes, dominant, apoptosis D. oncogenes, recessive, DNA damage E. tumor suppressor genes, loss of function, apoptosis 9 Hereditary nonpolyposis colorectal cancer (HNPCC) is an autosomal dominant genetic disorder caused by a mutation in the DNA mismatch repair system. A man with HNPCC marries a normal woman and they have two children. What is the probability that both children will have the disease? A. 0 B. 1/2 C. 1/4 D. 1/8 E. 1 10 Which one of the following statements is FALSE? A. If a single recombination occurs between two loci in every meiosis, then the resulting gametes will all be recombinant. B. It is impossible for the parental types in a two-factor cross to be fewer in number
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2008SecCvAKEY - BIO 97 FINAL EXAM KEY 2008 Section C...

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