practice MID TERM #1

practice MID TERM #1 - BIS 101-001 (Chan) Practice Midterm...

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BIS 101-001 (Chan) Name: ______________________________ Practice Midterm 1 Last, First ID #:_______________________________ BIS 101-001 – PRACTICE MIDTERM I I STRONGLY RECOMMEND TRYING TO DO THE EXAM BEFORE YOU LOOK AT THE KEY! This exam has a total of 100 points. READ THE QUESTIONS CAREFULLY BEFORE YOU ANSWER. SHOW ALL WORK TO GET FULL CREDIT. Please sign your name on the score sheet. This exam has ten pages including this cover page and the score sheet HONOR CODE: My signature below affirms that I wrote this exam in the spirit of the honor system of the University of California, Davis. I neither received nor furnished any “help” during the exam, nor did I use any unauthorized references. Signature: ______________________________________________________ Good luck 1
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Authorization for Public Distribution of Graded Examination I, ______________________________________, ID# _______________________ authorize that after this exam is graded, it can be placed in a holding bin, labeled BIS 101- 02/Engebrecht, on the first floor of Briggs Hall. 2
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1. (11pts) You have identified 6 Drosophila mutants that are defective for flying; you designate your mutants fly1-fly6. You decide to perform complementation tests. You complete the complementation tests for fly1, fly2 and fly3 and obtain the following results: fly1 fly2 fly3 fly4 fly5 fly6 fly1 - + + + + - fly2 + - - + - + fly3 + - - + - + fly4 fly5 fly6 A) Predict the outcome of complementation tests with fly4, fly5 and fly6 by filling in completely the table above. (3pts) B) How many different complementation groups are represented by fly1-fly6? (3pt) C) Which mutants fall into the same complementation group? (3pts) D) You are particularly interested in fly4. Interestingly you find that when the flies are grown at 15 0 C they can fly but at 20 0 C they can not fly. What type of allele is fly4? 1 word please. (2pts) 3
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2. (16pts) In mice, a recessive mutation in gene T results in tail-less animals and a second
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This test prep was uploaded on 04/20/2008 for the course BIS 101 taught by Professor Simonchan during the Winter '08 term at UC Davis.

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practice MID TERM #1 - BIS 101-001 (Chan) Practice Midterm...

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