Exam Review 1
Supplemental Instruction
Iowa State University
Leader:
Course:
Instructor:
Date:
Laura
Bio 313
Dr. Tuggle
9/13/15
1. What are some of the implications of all organisms having similar genetic systems?
A. That all life forms are genetically related
B. That research findings on one organism’s gene function can often be applied to other
organisms
C. That genes from one organism can often exist and thrive in another organism
D. All of the above
2. Model genetic organism’s, have all of the following characteristics EXCEPT for
A. Small
B. Large number of offspring
C. Long generation interval
D. Inexpensive
3. Which of the following does not fit the cell (germ-plasm) theory?
A. Genetic information is transferred directly to gametes
B. Supports inheritance of acquired characteristics
C. Reproductive organs contains a complete set of genetic information
D. Sperm and egg fuse to form a zygote
4. The study of heritable molecular phenotypes is
A. Epigenetics
B. Evolution
C. Population genetics
D. Molecular genetics
5. The order of the central dogma is
A. RNA  Protein  DNA
B. RNA  DNA  Protein
C. DNA  protein  RNA
D. DNA  RNA  Protein
6. Which of the following are found in Eukaryotes and not Prokaryotes
A. Cell Wall
B. Ribosomes
C. Membrane-bound Organelles
D. Plasma Membrane
7. The attachment point for spindle microtubules is the
A. Telomere
B. Centromere
C. Origin of Replication
D. Homologous Pair
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8. Interphase consists of all the following phases EXCEPT
A. M Phase
B. G2 Phase
C. S Phase
D. G1 Phase
9. This phase consists of biochemical preparation for cell division
A. M Phase
B. G2 Phase
C. S Phase
D. G1 Phase
10. This phase consists of DNA synthesis
A. M Phase
B. G2 Phase
C. S Phase
D. G1 Phase
11. This phase consists of growth and protein production to allow for cell division
A. M Phase
B. G2 Phase
C. S Phase
D. G1 Phase
12. Which phase of mitosis is depicted below?
A.
B.
C.
D.
Anaphase
Telophase
Metaphase
Prophase
13. Which phase of mitosis is depicted below?
A. Anaphase
B. Telophase
C. Metaphase
D. Prophase
14. What is the correct order of stages in the cell cycle among those below/
A. S, G1, Anaphase, Metaphase, Prophase
B. S, G1, Prophase, Anaphase, Metaphase
C. G1, S, Prophase, Metaphase, Anaphase
D. Prophase, metaphase, S, G1, Anaphase
15. Which is true about mitosis?
A. Produces 2 genetically different cells
B. Each cell contains the total amount of cytoplasm needed
C. New cells contain a full complement of chromosomes
D. Cells start as diploid and end as haploid
16. Meiosis I is defined by
A. DNA synthesis
B. Reduction of chromosome number in half
C. Separation of sister chromatids
D. Goes through equatorial division
17. Prophase I consist of all of the following except
A. Tetrads are present
B. Synapsis occurs
C. Crossing over occurs
D. Cytokinesis occurs
18. Which phase of mitosis is shown below?
A.
B.
C.
D.
Metaphase I
Prophase II
Anaphase II
Metaphase II
19. Which phase of mitosis is shown below?
A.
B.
C.
D.
Metaphase I
Prophase II
Anaphase II
Metaphase II
20. Which of the following events take place in meiosis II, but not meiosis I?
A. Chromosomes contract
B. Homologous chromosomes separate
C. Crossing over
D. Chromatids separate
21. Match the term to the definition
___ Gene
A. Specific place on a chromosome occupied
by an allele
___ Allele
B. An individual organism possessing two
different alleles at a locus
___ Locus
C. An attribute or feature possessed by an
organism
___ Genotype
D. The appearance or manifestation of a
characteristic
___ Phenotype
E. An individual organism possessing two of
the same alleles at a locus
___ Homozygous
F. An inherited factor that helps determine a
characteristic
___ Heterozygous
G. One of two or more alternative forms of a
gene
___ Characteristic
H. Set of alleles possessed by an individual
organism
22. Which of the following is not an observation supporting Mendel’s first law
A. Each individual organism possesses 2 alleles
B. Crossing over will occur
C. Alleles separate when gametes are formed
D. Alleles separate in equal proportions
23. What is used to determine the probability of a particular combination of events?
A. Test Cross
B. Reciprocal Cross
C. Monohybrid Cross
D. Binomial Expansion
24. What test reveals the genotype of an individual organism having a dominant trait?
A. Test Cross
B. Reciprocal Cross
C. Monohybrid Cross
D. Binomial Expansion
25. The probability of having a child with a rare disease is 1/4. If you plan on having 7 kids what
is the probability of having 2 infected and 5 normal children?
A. 0.148
B. 0.423
C. 0.234
D. 0.338
26. What is the phenotypic ratio in a genetic cross of a single locus with dominance? (Aa xAa)
A. 1:1:1:1
B. 2:2
C. 1:2:1
D. 3:1
27. At what stage of meiosis can Mendel’s second law be observed?
A. Metaphase I
B. Prophase II
C. Anaphase I
D. Metaphase II
28. What is the Chi-Square value of the following data?
Phenotype:
Observed:
Expected:
Yellow
80
40
Black
80
120
A.
B.
C.
D.
53.3
60.2
45
160
29. Would the chi-square value obtained in question 28 be statistically significant?
A. Yes
B. No
30. Which of the following is not a sex determination syndrome in humans?
A. Poly-X females
B. Colorblindness
C. Klinefelter syndrome
D. Turner syndrome