Supplemental Instruction
Iowa State University
Date:
Leader:
Raelyn
Course:
Biology 211
Instructor: Dr. Raich
1. Who hypothesized that species evolve through use and disuse and through the
inheritance of acquired traits?
a. Charles Darwin
b. Carolus Linnaeus
c. Jean-Baptiste de Lamark
d. Alfred Wallace
2. Gregor Mendel described the genetic material from parents mixing together in the
offspring as his ______________ hypothesis
a. Particulate
b. Meiosis
c. Mitosis
d. Blending
3. A human cell that contains 22 pairs of autosomes, one X chromosome, and one Y
chromosome is a(n) ______.
a. Egg cell
b. Sperm cell
c. Male somatic cell
d. Female somatic cell
4. In references to Mendel’s approach, the true breeding line or purebreds refers to:
a. P-generation
b. F1-generation
c. F2-generation
5. Which of the following have heritability and genetic variability?
a. Binary fission
b. Mitosis
c. Meiosis
d. Both A and B are correct
6. Which of the following is (an) important in cell division?
a. Reproduction
b. Growth and development
c. Tissue renewal
d. All are correct
7. This occurs when a few individuals become isolated from a larger population,
establishing a new population whose gene pool differs from the original population.
a. Bottleneck effect
b. Founder effect
c. Maternal effect
d. Translocation
8. All of the alleles for every gene in a given population is called _____?
a. Species
b. Gene pool
c. Locus
d. Hybrid zone
9. Which of the following is not unique to meiosis?
a. DNA is being replicated
b. Synapsis and crossing over
c. Homologous chromosomes on the metaphase plate
d. Homologous chromosomes are separated
10. If a white flower crosses with a red flower and produces all pink flowers, this is an
example of ____.
a. Dominant
b. Recessive
c. Co-dominant
d. Incomplete dominance
11. Prokaryotic cells reproduce by binary fission and produces ____ genetically _________
cells.
a. 2, identical
b. 2, different
c. 4, identical
d. 4, different
12. The process of meiosis consist of ___ consecutive cell divisions that result in the
production of ___ daughter cells.
a. 2, 2
b. 2, 4
c. 4, 2
d. 4, 4
13. Which person viewed life as descent with modification?
a. Charles Darwin
b. Carolus Linnaeus
c. Georges Cuvier
d. Alfred Wallace
14. Evolution where selection is by immigration and emigration.
a. Natural Selection
b. Genetic Drift
c. Gene Flow
d. Mutation
15. Which of the following have heritability but not genetic variability?
a. Binary fission
b. Mitosis
c. Meiosis
d. Both A and B are correct
16. Mutations lead to ______________ genetic variation
a. Increase
b. Decrease
17. If most of the population is killed, some genetic variability is lost, what is likely to
occur?
a. Bottleneck effect
b. Founder effect
c. Maternal effect
d. Translocation
18. What Mitosis phase do the sister chromatids pull apart from one another?
a. Prometaphase
b. Metaphase
c. Telophase
d. Anaphase
19. Natural selection operates at the level of the _____________ whereas evolution occurs
at the level of the ______________.
a. Population, individual
b. Gene, population
c. Individual, population
d. Individual, gene
20. What Mitosis phase do the chromosomes align in the middle of the cell?
a. Prometaphase
b. Metaphase
c. Telophase
d. Anaphase
21. Which is not a limitation of the biological species concept?
a. Hybridization events frequently result in infertile offspring
b. Geographically isolated populations may never mate in nature
c. Cannot test fossil species
d. Many species do not reproduce sexually
22. Which the following is not a process that can change allele frequency?
a. Natural selection
b. Genetic drift
c. Gene flow
d. Mutation
e. All of the above
23. Selective breeding for a desired trait describes:
a. Natural selection
b. Decent with modification
c. Artificial selection
d. Use and disuse
24. Homologous pairs separate during ___
a. Mitosis
b. Meiosis I
c. Meiosis II
d. Never
25. Sympatric speciation is related to geographic isolation.
a. True
b. False
26. Which process produces four haploid gametes?
a. Binary fission
b. Mitosis
c. Meiosis
d. Both A and B are correct
27. The total genetic heritage of a population
a. Genome
b. Evolution
c. Gene Pool
d. Breeding
28. In the Hardy-Weinberg equation, 2pq refers to the frequency
a. Of individual that are homozygous for one of the alleles
b. Of individual that are heterozygous
c. Of all the alleles in the population
d. Of all the genotypes in the population
29. The function of mitosis in animal cells is to produce ____.
a. Four daughter cells that have the same number of chromatids as the parent
cell had chromosomes
b. Two non-identical daughter cells that only have one set of chromosomes
c. Four daughter cells that are not genetically identical to the parent cell
d. Two daughter cells that are genetically identical to the parent cell
30. The Hardy-Weinberg equation is represented by:
a. 1=p^3+2pq+q^3
b. 1=p^2+pq^2+q^2
c. 1=p^2+2pq+q^2
31. In frogs, a gene controls the eye color, such that B=Brown and b=blue. On an island,
there were 36 brown-eyed frogs and 64 blue-eyed frogs. What is the value of q for
this population?
a. 0.80
b. 0.11
c. 0.64
d. 0.60
32. A population of rabbits may be brown or white. Brown rabbits have the genotype
BB or Bb. White rabbits have the genotype bb. The frequency of the BB genotype is
0.35. What is the frequency b in this equation?
a. 0.35
b. 0.59
c. 0.41
d. 0.17
33. A hypothetical population of 10,000 humans has 6,840 individuals have dominant
BB brown eyes, 2,860 individuals with Bb brown eyes, and 300 with blue eyes. What
is genotype frequency for BB in this equation?
a. 0.03
b. 0.68
c. 0.29
d. 0.17
Punnett Square Practice
Green peas are dominant over yellow--(G)
Tall plants are dominate over short--(T)
Round smooth peas are dominate over wrinkled—(R)
For the following monohybrid crosses, draw a punnett square, list the ratio and allele
frequencies for both genotype and phenotype
1. Two heterozygous tall plants are crossed.
2. Heterozygous green peas are crossed with homozygous dominant peas.
3. If an unknown genotype with a tall phenotype is test crossed with a homozygous
recessive plant and the offspring have a phenotype ratio of 1:1 (tall to short). What
was the genotype of the unknown?
4. Pookins are seen as red, blue, or purple flowers. Using incomplete dominance, what
would the offspring look like if a blue pookin crossed with a red pookin? What about
a purple poofkin and a blue pookin? List ratios and allele frequencies for both
genotypes and phenotypes.
Original cell
Mitosis
Original Cell
Prophase
Prophase I
Metaphase
Metaphase I
Anaphase
Anaphase I
Telophase
Telophase I
End cell(s)
Prophase II
Metaphase II
Anaphase II
Telophase II
End cell(s)
Meiosis