1. |
The human genome is
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a. Made of RNA
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b. 3 billion base pairs in length
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c. Over one million genes
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d. The same in every person
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2. |
Put these terms in order of size, largest to smallest, based on the structures or ideas they represent:
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a. Nucleotide, DNA, chromosome, Genome, Gene
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b. DNA, gene, chromosome, genome, nucleotide
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c. Chromosome, DNA, gene, genome, nucleotide
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d. Genome, chromosome, gene, DNA, nucleotide
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3. |
Which of these statements about DNA is not true?
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a. DNA contains the instructions needed to make proteins.
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b. The amount of DNA that differs from one person to another is less than 1%.
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c. DNA controls how much of a protein will be made and when it will be made.
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d. DNA is made up of many chromosomes.
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4. |
Inheritance patterns may be classified into the following categories EXCEPT:
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a. Autosomal dominant
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b. Autosomal recessive
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c. Complex
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d. Mitochondrial
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5. |
Common, complex diseases, such as heart disease, are thought to be caused by ____________.
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a. one or more disease susceptibility genes
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b. the environment
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c. the interaction of susceptibility genes and the environment
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6. |
Autosomal recessive conditions:
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a. Are often associated with deficient enzyme activity.
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b. Always contain the same mutation in both genes.
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c. Are more variable than autosomal dominant conditions.
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d. Are likely to affect the children of affected individuals.
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7. |
Differing responses among individuals to the same type or dose of medicine may have a genetic basis.
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a. True
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b. False
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8. |
Medicine Response Tests are being used to predict how a person will react to a drug.
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a. True
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b. False
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9. |
To establish ethical standards, GSK ___________________.
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a. consults experts in the field
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b. considers guidelines from national and international bodies
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c. reviews its ethics policies on an ongoing basis
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d. all of the above
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10. |
Which of these statements about genetic variation is not true?
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a. The DNA sequence of all humans is almost identical.
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b. Alleles are different forms of the same gene.
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c. Genetic mutations are usually fatal.
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d. SNPs (single nucleotide polymorphisms) are the most common form of genetic variation.
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11. |
DNA consists of
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a. nucleotides
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b. chromosomes
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c. two twisting sugar-phosphate backbones
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d. chromatids
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e. a and d
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12. |
Most genetic differences among humans are accounted for by
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a. different genomes
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b. different sugar-phosphate backbones in the DNA
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c. different base pair sequences
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d. different genetic materials
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13. |
Identify the correct statements:
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a. Only I is true.
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b. I and III are true.
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c. II and III are true.
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d. All are true.
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14. |
An egg cell contains
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a. Half the normal number of chromosomes (23)
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b. All of the mother's alleles
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c. No sex chromosomes
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d. A and B
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15. |
If you are male, your Y chromosome comes from
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a. your mother
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b. your father
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c. either your mother or father
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d. a mutation
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16. |
Pick the false statement about susceptibility genes.
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a. They are the single cause of many diseases.
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b. They may affect when a disease occurs.
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c. They may how a disease progresses over time.
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d. They may help protect against disease.
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17. |
The genetic differences between people who have a disease and those who don't are too small to be detected using current technology.
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a. True
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b. False
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18. |
Pick the false statement about SNPs.
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a. They are one type of genetic marker.
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b. They are used to confirm who is a child's father.
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c. They occur frequently throughout the human genome.
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d. They can be used to predict a person's risk of some diseases or a person's response to a medicine.
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19. |
The SNP Consortium is
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a. a government agency associated with the Human Genome Project.
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b. releasing a frequently updated high-density human SNP map into the public domain.
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c. collecting data about SNPs and human diseases.
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d. identifying human genes.
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20. |
On average, about 1 in every 5,000 possible new medicines eventually is approved and marketed.
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a. True
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b. False
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