NS2750 Prelim2 2016 Answer Key

NS/ANTH 2750: Human Biology & Evolution Prelim Exam #2, 11/4 10:10 – 11:00 am Name:___________________________ Section 1 (max = 30) ________________ ________________ Section 3 (max = 40) ________________ Section #1 (30 points) _______________ Section #2 (20 points) _______________ Section #3 (30 points) _______________ Section #4 (20 points) _______________ Total (Max = 100) _______________  Print your name in LARGE letters on the BACK OF THE LAST PAGE of the exam.  Your TA (please circle one) Yiping Wang Yiqin Wang Cem Atillasoy Nicole Calautti Shuo Chen Megan Fitzgerald Deborah Modlin  Print your name in LARGE letters on the BACK OF THE LAST PAGE of the exam.  There are four sections to this exam:  Section 1: Multiple Choice questions. You should answer 10 of the 11 questions. Each question is worth 3 points, for a maximum total of 30 points. If you answer a question but then decide you don't want it graded, put an X through your answer. The same for the other sections.  Section 2: True/False questions . You should answer 10 of the 11 questions. Each question is worth 2 points, for a maximum total of 20 points.  Section 3: Short Answer Questions I . You should answer 5 of the 6 questions. Each question is worth 6 points, for a total maximum of 30 points.  Section 4: Short Answer Questions II . You should answer BOTH questions. Each question is worth 10 points, for a total maximum of 20 points. Each student in this course is expected to abide by the Cornell University Code 1

NS/ANTH 2750: Human Biology & Evolution Prelim Exam #2, 11/4 10:10 – 11:00 am Name:___________________________ SECTION 1: MULTIPLE CHOICE QUESTIONS (30 points)  Answer any 10 of the following 11 multiple choice questions. If you answer more, only the first 10 will be graded. (3 points each for 30 points). There is only one correct answer for each question. 1. Which of the following types of transposable elements does not go through an intermediate RNA phase during transposition? A. LINEs B. SINEs C. DNA transposons (Correct) D. Retroviruses and retrovirus-like LTR 2. Which of the following populations has the lowest levels of linkage disequilibrium? A. Africans (Correct) B. Asians C. Europeans D. Native Americans 3. Which of the following dog populations went through more population bottlenecks? A. Village dogs B. Purebred dogs (Correct) C. All dog populations went through the same number of bottlenecks. D. Wolves 4. Which of the following is a limitation of GWAS? A. Many disease-associated genetic variants are not causal B. There is a large environmental impact that GWAS does not address C. GWAS focuses on common variations D. All of the above (Correct) 5. Which population has the highest level of genetic variation? A. Africans (Correct) B. Asians C. Europeans D. Native Americans 6. Which of the following are true about complex disorders? A. Multiple genetic and environmental causes B. Aggregate in families C. Do not segregate as described by Mendelian genetics D. All of the above (Correct)