1. Review Chapter 11

2. QUESTION 1 Huntingtons Disease is: A. Dominant B. Recessive C. Sex Linked Recessive D. Sex Linked Dominant

3. QUESTION 2 Achondroplasia is: A. Dominant B. Recessive C. Sex Linked Recessive D. Sex Linked Dominant

4. QUESTION 3 Hemophilia is: A. Dominant B. Recessive C. Sex Linked Recessive D. Sex Linked Dominant

5. QUESTION 4 Color blindness is: A. Dominant B. Recessive C. Sex Linked Recessive D. Sex Linked Dominant

6. QUESTION 5 Albinism is: A. Dominant B. Recessive C. Sex Linked Recessive D. Sex Linked Dominant

7. QUESTION 6 Tay-Sachs is: A. Dominant B. Recessive C. Sex Linked Recessive D. Sex Linked Dominant

8. QUESTION 7 Karyotypes align chromosomes: A. Decreasing in size B. Increasing in size C. Based on which one is pulled first D. Based on sex chromosomes

9. QUESTION 8 Males have what chromosomes? A. XX B. XY C. XO D. YY

10. QUESTION 9 Females have what chromosomes? A. XX B. XY C. XO D. YY

11. QUESTION 10 Which parent determines the sex of a child? A. Male B. Female C. Neither

12. QUESTION 11 How many autosomes do humans have? A. 12 B. 22 C. 47 D. 23

13. QUESTION 12 Genetic disorders are curable True False

14. QUESTION 13 If two carriers of albinism have children, what percentage of them would have the disorder? A. 0 B. 25 C. 50 D. 75

15. QUESTION 14 How many dominant genes must be present for it to be shown? A. 0 B. 1 C. 2 D. 4

16. QUESTION 15 How does nondisjunction cause disorders? A. Changes # of gametes B. Changes # of zygotes C. Changes chromosomes # D. Changes chromosome structure

17. QUESTION 16 Which of the following could only be a result of nondisjunction during meiosis of sperm formation and not egg formation? A. XYY B. XXX C. XXY D. XO

18. QUESTION 17 How many children born to a normal mother and a man with Huntingtons would have the disorder? A. 1 B. 2 C. 3 D. 4

19. QUESTION 18 Cystic fibrosis is caused by a change in how many base pairs of DNA? A. 3 B. 21 C. 32 D. 17

20. QUESTION 19 What is the chance that individual A will be afflicted with Huntington's? A. 25% B. 50% C. 75% D. 100%

21. QUESTION 20 People who suffer from albinism lack what pigment? A. Melanin B. Karyotin C. Chlorophyll D. Mesophyll

22. QUESTION 21 How many sex chromosomes do humans have? A. 1 B. 2 C. 3 D. 4

23. QUESTION 22 All organisms have the same number of chromosomes True False

24. QUESTION 23 Which genetic disorder is characterized by thick mucus? A. Albinism B. Achondroplasia C. Cystic Fibrosis D. Sickle Cell E. Hemophilia

25. QUESTION 24 Which genetic disorder is characterized by thick mucus? A. Albinism B. Achondroplasia C. Cystic Fibrosis D. Sickle Cell E. Hemophilia

26. QUESTION 25 Which genetic disorder is characterized by short arms and legs? A. Albinism B. Achondroplasia C. Cystic Fibrosis D. Sickle Cell E. Hemophilia

27. QUESTION 26 Which genetic disorder cause vision impairments? A. Albinism B. Achondroplasia C. Cystic Fibrosis D. Sickle Cell E. Hemophilia

28. QUESTION 27 Phenotypes remain stable throughout life True False

29. QUESTION 28 What are the moves caused by Huntington's called? A. Huntington's Jig B. Huntington's Dance C. Huntington's Twitch D. Huntington's Tremor

30. QUESTION 29 Telomeres are linked to A. Aging B. Mitosis C. Nondisjunction D. Chromosome formation

31. QUESTION 30 People with Sickle Cell are more resistant to: A. Malaria B. West Nile C. Yellow Fever D. HIV

32. QUESTION 31 Which genetic disorder is characterized by blood not clotting? A. Albinism B. Achondroplasia C. Cystic Fibrosis D. Sickle Cell E. Hemophilia

33. QUESTION 32 When does Huntingtons Disease set in? A. 20’s B. 30’s C. 40’s D. 50’s

34. QUESTION 33 When does Huntingtons Disease set in? A. 20’s B. 30’s C. 40’s D. 50’s

35. QUESTION 34 In the spring, many trees produce flowers and regrow the leaves that were lost during the fall. This is an example of a change in ______ A. Phenotype B. Genotype C. Karyotype D. Season