Download Title - Iowa State University

Leader: Chelsea
Course: Bio 211
Instructor: Boury
Supplemental Instruction
Date: 11/11/11
Iowa State University
1. What type of evolution can be classified as: changes in a single gene or allele frequencies
in a population over time?
A. Macroevolution
B. Microevolution
C. Speciation
D. Acquired characteristics
Practice Quiz:
Chapters 23-25
2. Descent with modification is evolution based on:
A. Variation within a given species
B. Genomic frequencies
C. Natural selection
D. A and C
E. All of the above
3. Which is not evidence of evolution?
A. Fossil records
B. Biogeography
C. Acquired characteristics
D. Selective breeding
E. Convergent evolution
4. Which is not a fundamental similarity/homolog that we see as a proof of evolution?
A. Anatomical
B. Developmental
C. Molecular
D. They are all proofs
5. The marsupials we see only in Australia can be contributed to which evolutionary proof?
A. Convergent evolution
B. Biogeography
C. Natural Selection
D. Fossil records
E. All of the above
6. Who is the father of taxonomy
A. Linnaeus
B. Aristotle
C. Lamarck
D. Hutton
E. Lyell
Supplemental Instruction
1060 Hixson-Lied Student Success Center  294-6624  www.si.iastate.edu
7. Two or more homologous genes found within a particular species are called?
A. Homozygous
B. Orthologs
C. Paralogs
D. Alleles
E. Duplicates
8. What is an SNP?
A. Changes in a particular gene
B. Most common type of molecular change
C. Where one base is replaced by another in the DNA sequence.
D. All of the above
9. Calculate the allele frequency of A for the following:
25 AA
15 Aa
10 aa
A.
B.
C.
D.
75%
65%
50%
25%
10. Now calculate the genotype frequency for Aa in that same population:
A. 30%
B. 15%
C. 50%
D. 10%
11. What is not a requirement for Hardy-Weinberg?
A. Large populations
B. Isolation
C. No mutations
D. Non random mating
E. No selective pressures
12. What is an example of genetic drift?
A. Reduction of genetic variation in seals
B. High frequency of Huntington’s disease in the Afrikaner population
C. Amish communities
D. All of the above
13. Which is not a cause of microevolution?
A. Genetic drift
B. Gene flow
C. Mutations
D. Non random mating
E. All of the above are causes
14. You have a population:
2 AA
7 Aa
1 aa
Which has the highest fitness and what is its fitness?
A. AA, 20%
B. Aa, 70%
C. Aa, 100%
D. None of the above
15. When you mate with similar individuals it’s called?
A. Assortive mating
B. Disassortive mating
C. Natural selection
D. Sexual dimorphisms
16. When a similar population changes to create more diversity its known as?
A. Directional selection
B. Stabilizing selection
C. Disruptive selection
D. Balancing selection
17. When male birds sing songs for courtship its known as?
A. Intra sexual selection
B. Inter sexual selection
C. Selection based on predation
D. All of the above
18. Another word for speciation can be?
A. Macro evolution
B. Micro evolution
C. Neither
D. Both
19. Which is not a prezygotic barrier?
A. Habitat isolation
B. Temporal isolation
C. Behavioral isolation
D. Gametic isolation
E. They are all prezygotic barriers
20. Why are creating hybrids worthless?
A. Waste of energy
B. Hybrid is often sterile
C. Hybrid often dies
D. All of the above
21. Which is an example of allopatric speciation?
A. Apple maggot flies
B. Separation of fish from the Isthmus of Panama
C. Multiple bird species on the Galapagos.
D. None of the above
22. Consider Hardy Weinberg, what portion of the equation would be used to calculate the
frequency of individuals that do not exhibit a disease but are carries of a recessive genetic
disorder?
A. q
B. p^2
C. 2pq
D. q^2
E. None of the above
23. By itself, which of the following is not likely to have a major impact on allele
frequencies?
A. Natural selection
B. Genetic drift
C. Mutation
D. All of the above
24. A large number of honeycreeper species on the Hawaiian Islands is an example of?
A. Adaptive radiation
B. Genetic drift
C. Stabilizing selection
D. Horizontal gene transfer
E. Microevolution
25. The biological species concept classifies a species based on?
A. Morphological characteristics
B. Reproductive isolation
C. The niche an organism occupies
D. Genetic relationship between an organism and its ancestors
E. A and b