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Multiple Choice Quiz
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1
Which of the following contributes to particular viruses becoming a threat to humans?
A)changing mating patterns
B)travel patterns
C)humans no longer evolve
D)All of these answers are correct.
2
When does a species stop evolving?
A)upon reaching maximum "fitness"
B)when a new subspecies is established
C)a species does not stop evolving
D)upon reaching a predetermined goal
3
Which of the following is an impact of humans altering environments?
A)Other species that live in those environments may be forced to face new challenges.
B)Some bacterial pathogens evolve and grow in population.
C)There is more rapid spread of infective diseases.
D)All of these answers are correct.
4
What are differences in diet primarily a result of?
A)developmental responses
B)evolutionary changes
C)inherited genetic parameters
D)All of these answers are correct.
5
Which of the following is NOT an example of body modification?
A)shaving facial hair
B)tattoos and piercing
C)genital modification
D)eye color
6
Which of the following increases the amount of variation in our species possibly resulting in some reproductive impact?
A)diet
B)body modification
C)activity patterns
D)All of these answers are correct.
7
Which of the following has the most direct impact on reproductive physiology and therefore potential evolutionary consequences?
A)diet
B)body modification
C)activity patterns
D)All of these answers are correct.
8
What is the most easily observed evolutionary process in modern humans?
A)natural selection
B)genetic drift
C)gene flow
D)mutations
9
What is the result of humans from differing populations coming into more frequent contact?
A)dramatic increase in the number of mutations
B)decrease in overall genetic variation as specific alleles are added to populations where they were previously absent
C)reduction in differences in allele frequencies between populations
D)All of these answers are correct.
10
How many humans are currently on the planet?
A)over 60 billion
B)over 6 billion
C)over 600 million
D)over 60 million
11
Which of the following is NOT a potential effect of dramatic increases in population size?
A)increase in highly industrialized farming techniques
B)a near-complete reliance on manufactured goods
C)a change in the demographic structure of different populations
D)decreased genetic diversity
12
Which of the following is NOT a true statement about gene therapy?
A)Gene therapy is always successful.
B)Gene therapy involves altering sequences of DNA by inserting a normative sequence into a non-coding region of DNA to replace a nonfunctional gene.
C)Gene therapy may be done by replacing one sequence with another at the same locus via recombination.
D)Gene therapy may be done by altering the regulatory portions of a locus such that the alleles at the locus are turned on or off differentially.
13
What are the descriptions of the age ranges within a population?
A)population metrics
B)demographics
C)population pyramids
D)geriatrics
14
Which of the following is the most recent evolutionary process?
A)mutation
B)genetic drift
C)direct genetic alteration
D)gene flow
15
Which of the following is always a disease-producing agent?
A)pathogen
B)bacteria
C)virus
D)All of these answers are correct.





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