Bio+97+Worksheet+10 - Bio 97 Worksheet 10/Review 1. Most...

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Bio 97 Worksheet 10/Review 1. Most recombinant DNA technology is dependent on restriction enzymes cutting at specific DNA sequences. Which of the following sequences are palindromes? A. CCAG B. CCCC C. CCAGG D. CCATGG E. ACCGGA 2. Which of the following is FALSE: A. If a single recombination occurs between 2 loci in every meiosis, then the resulting gametes will all be recombinant. B. It is impossible for the parental types in a 2-factor cross to be fewer in number than the recombinant types. C. 2 genes that are 69 map units apart will have 50% recombination frequency between them. 3. A coefficient of coincidence of 0.25 means that: A. The frequency of double crossovers is ¼ B. The frequency of double crossovers is ¼ of the number of expected if there were no interference. C. There were 4 times as many single crossovers as double crossovers.
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4. An 8kb plasmid is digested with EcoR1 (E) and/or BamHI (B), and the digests are run on an agarose gel and stained. The results are shown below; molecular size standards are shown.
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Bio+97+Worksheet+10 - Bio 97 Worksheet 10/Review 1. Most...

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