Test Bank Human Genetics Concepts and Applications, 14th Edition by Lewis (2024)

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, Student name:__________
MULTIPLE CHOICE - Choose the one alternative that best completes the statement or
answers the question.
1) Genetics is the study of


A) inherited traits.
B) how organisms reproduce.
C) how life originated.
D) how the environment causes disease.



2) In which choice are the entries listed from smallest to largest?


A) DNA building block - gene - chromosome - genome
B) DNA building block - RNA building block - protein
C) Gene - cell - DNA - genome
D) Chromosome - genome - cell - DNA building block



3) The complete genetic material of an organism is its


A) genome.
B) chromosome.
C) phenotype.
D) genotype.



4) The number of sets of our genome in most of our cells is __________.

A) 1
B) 2
C) 3
D) 4




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, 5) An estimated __________ DNA base pairs comprise the human genome.


A) 32,000
B) 320,000
C) 3.2 million
D) 3.2 billion



6) The field of __________ addresses concerns arising from the use of new genetic
technologies, including tests, treatments, privacy, and discrimination.


A) metaethics
B) bioethics
C) biotechnology
D) genetics



7) Variants of a gene are called


A) genotypes.
B) phenotypes.
C) alleles.
D) single nucleotide polymorphisms.



8) Humans have __________ pairs of chromosomes.

A) 23
B) 38
C) 46
D) 32



9) A change in a gene's DNA sequence is a




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