Human Genetics Concepts and Applications 12th Edition Lewis Test Bank

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,Human Genetics Concepts and Applications 12th Edition Lewis Test Bank

Exam

Name___________________________________


MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.

1) A test performed on secretions on a piece of fabric left at a crime scene that is used to 1)
implicate an apprehended suspect is
A) DNA profiling. B) RNA transcription.
C) DNA sharing. D) DNA replication.
Answer: A
Explanation: A)
B)
C)
D)

2) DNA profiling is helpful in 2)
A) curing cancer. B) preventing male pattern baldness.
C) treating male infertility. D) analyzing food.
Answer: D
Explanation: A)
B)
C)
D)

3) Select the example of genetics. 3)
A) Studying how the different organelles in a cell work
B) Studying the shape and size of dinosaur fossils
C) Studying how a disease gene is transmitted within a royal family
D) Studying how various members of a royal family are related
Answer: C
Explanation: A)
B)
C)
D)




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,4) A genotype refers to 4)
A) the number of chromosomes that a person has.
B) the alleles present in an individual.
C) the environmental components of a trait.
D) expression patterns of certain genes.
Answer: B
Explanation: A)
B)
C)
D)

5) What is sequenced in exome sequencing? 5)
A) The parts of the genome that do not encode proteins
B) The parts of the DNA that are mutated
C) The parts of the genome that encode proteins
D) The entire genome
Answer: C
Explanation: A)
B)
C)
D)

6) Nacho suffers from terrible migraine headaches. He enters a clinical trial to test whether 6)
certain single nucleotide polymorphisms (SNPs) are associated with response to one
drug but not another. This is an approach called
A) genetic determinism. B) applied pharmacology.
C) gene therapy. D) pharmacogenetics.
Answer: D
Explanation: A)
B)
C)
D)




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, 7) How do researchers in the metagenomics sector operate? 7)
A) They detect mutations in the protein encoding part of an individual's genome by
using powerful algorithms.
B) They link diseases by shared gene expression.
C) They collect and sequence DNA, then consult databases of known genomes to
imagine what the organisms to which the DNA belongs might be like.
D) They study Mendelian traits in children.
Answer: C
Explanation: A)
B)
C)
D)

8) DNA profiling has been used to 8)
A) cure metabolic diseases caused by mutations in single genes.
B) treat male infertility.
C) identify victims of terrorist attacks and natural disasters.
D) predict how children will do in school.
Answer: C
Explanation: A)
B)
C)
D)

9) The difference between phenotype and genotype is that 9)
A) the phenotype is DNA and the genotype is RNA.
B) phenotype refers to the genetic instructions and genotype to their expression.
C) the phenotype is RNA and the genotype is DNA.
D) genotype refers to the genetic instructions and phenotype to their expression.
Answer: D
Explanation: A)
B)
C)
D)

10) Humans have ________ pairs of chromosomes. 10)
A) 38 B) 46 C) 32 D) 23
Answer: D
Explanation: A)
B)
C)
D)




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