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BIO342 Multiple Choice Questions with Correct Answers
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BIO342 Multiple Choice Questions with Correct Answers
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BIO342 Multiple Choice Questions with CorrectAnswers
Complete the following sentence. "The pulley-shaped astragalus found
in ancient fossilized whales is..." Correct Answer ✓✓ A synapomorphic
trait that shows that whales are artiodactyls
Which of the following is/are TRUE about genetic drift? Correct
Answer ✓✓ If genetic drift is the only evolutionary mechanism then a
single allele will be fixed at each locus, given sufficient time
What phylogenetic method(s) results in a single "best" tree? Correct
Answer ✓✓ Maximum parsimony
Maximum Likelihood
Which of the following is UNTRUE of the Phylogenetic Species
Concept? Correct Answer ✓✓ It is based on the reproductive biology of
the organisms
Spatial heterogeneity in the environment selecting for sexual
reproduction is known by what hypothesis? Correct Answer ✓✓
Tangled Bank
The bones found in a cave in southern Siberia of the ancient Denisovan
human population, from which they extracted and sequenced DNA,
represent what type of fossil/preservation method? Correct Answer ✓✓
Unaltered remains
, If mutation and selection were the only factors affecting an allele's
frequency, what would the equilibrium frequency of the dominant lethal
loss of function mutation be if the mutation rate from the functional to
the non-functional lethal copy was 10^-7? Correct Answer ✓✓
Which of the following explain(s) why modern non-African humans
have less genetic variation within populations than modern African
human populations? Correct Answer ✓✓
The timeline below represents the Mesozoic (middle life) Era, which
stretched from 251 mya to 65 mya. What sequence of Periods and dates
comprise this Era? Correct Answer ✓✓ Triassic (251-206 mya),
Jurassic (206-144 mya), Cretaceous (144-65 mya)
Which phylogeny below represents our best understanding of the
evolutionary relationships among humans and other hominids and apes?
Correct Answer ✓✓
In what geological Period do the first flowering plants appear? Correct
Answer ✓✓ Cretaceous
The slope of the line depicted below is called: Correct Answer ✓✓ A
selection gradient
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