2. Descent with Modification Is Evolution Based On

Practice Quiz: Leader: Chelsea Chapters 23-25 Course: Bio 211 Supplemental Instruction Instructor: Boury Iowa State University Date: 11/11/11 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

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 v 294-6624 v 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. 75% B. 65% C. 50% D. 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