Review Chapter 11

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

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

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

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

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

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

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

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

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

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

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

QUESTION 12 Genetic disorders are curable True False

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

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

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

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

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

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

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

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

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

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

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

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

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

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

QUESTION 27 Phenotypes remain stable throughout life True False

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

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

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

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

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

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

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