Question

Random, chance events that change allele frequencies are knownas:

A. Gene flow

B. Genetic drift

C. Natural selection

D. Balancing selection

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Question 21 pts

What type of selection acts to maintain the two extremephenotypic variants in a population?

A. Disruptive selection

B. Directional selection

C. Positive selection

D. Artificial selection

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Question 31 pts

Approximately, how much of our DNA is shared with our closestrelatives, chimpanzees?

A. 100%

B. 98.9%

C. 88.3%

D. 75.8%

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Question 41 pts

The large canines of male baboons are likely the result of________, while the fact that some male baboons are very colorfulis probably the result of _______.

A. Mutation; balancing selection

B. Gene flow; sexual dimorphism

C. Male competition; female choice

D. Mate choice; genetic drift

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Question 51 pts

Negative assortative mating results in an increased frequency ofhomozygous genotypes within a population.

True

False

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Question 61 pts

Genetic evidence suggests that humans and Neandertals neverinterbred.

True

False

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Question 71 pts

The specific variant of the FOXP2 gene associated with languageacquisition in humans is found in both humans and Neandertals.

True

False

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Question 81 pts

Industrial melanism describes the change in moth color from paleto dark after pollution from factories resulted in coating treetrunks with a layer of dark soot. Which statement is trueconcerning industrial melanism?

A. After pollution levels increased, all moths became darkercolored because soot got on their wings

B. The dark moths survived better after pollution levelsincreased because they were not poisoned by the pollutants

C. Individual moths changed their color in response to thepollution

D. Dark moths were present in the population before pollutionlevels increased

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Question 91 pts

Patterns of evolution can be seen above the species level

True

False

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Question 101 pts

Inbreeding is problematic because it increases the probabilitythat offspring inherit two copies of a recessive mutation thatcauses disease.

True

False

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Question 111 pts

As a species, cheetahs seem to have a high risk of extinctionbecause:

A. Gene flow has caused a proliferation of unnecessarygenes.

B. The species' genetic diversity is very low due to a previouspopulation bottleneck event.

C. The species has undergone extreme sexual selection in orderfor males to achieve faster running speeds.

D. Gene flow has been stifled due to an increase in demand forcaptive cheetahs.

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Question 121 pts

A strand of DNA undergoes mutation. Which mutation occurred?

Original DNA- GGA CTC TTA CCC CAC GGA

Mutated DNA- GGG CTC TTA CCC CAC GGA

A. point mutation

B. insertion mutation

C. deletion mutation

D. inversion mutation

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Question 131 pts

A change from one nucleotide to another nucleotide is known as awhat?

A. Point mutation

B. Insertion mutation

C. Deletion mutation

D. Inversion mutation

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Question 141 pts

A change from one nucleotide to another nucleotide is known as awhat?

A. point mutation

B. insertion mutation

C. deletion mutation

D. inversion mutation

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Question 151 pts

According to the Typological Species Concept, species are:

A. An interbreeding group of organisms

B. Static entities endowed with fixed properties

C. A local population of organisms that have similargenes, interbreed, and produce offspring

D. An exclusive community of gene exchange

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Question 161 pts

Recognizing reproductive isolation is key to defining speciesunder the Biological Species Concept.

True

False

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Question 171 pts

The binomial system of classification was developed by:

A. Darwin

B. Wallace

C. Linnaeus

D. Malthus

E. None of the above

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Question 181 pts

A derived trait, unique to a particular taxon within a givencladogram is called:

A. Synapomorphy

B. Apomorphy

C. Analogy

D. Autapomorphy

E. Symplesiomorphy

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Question 191 pts

Analogy, and not homology, is useful for reconstructingevolutionary history.

True

False

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Question 201 pts

A phylogeny is which of the following:

A. A depiction of an organism's complete genome

B. A depiction of evolutionary relationships betweenorganisms

C. The gradual evolution of one species intoanother

D. The Latin name of an organism including its genus andspecies designation