Download Review Quizzes

Review Quizzes
Chapters 11-16
1. In pea plants, the allele for
smooth seeds (S) is dominant over
the allele for wrinkled seeds (s).
In an experiment, when two
hybrids are crossed, what percent
of the offspring share the same
genotype as the parents?
a. 0%
b. 25%
c. 50%
d. 75%
e. 100%
1. In pea plants, the allele for
smooth seeds (S) is dominant over
the allele for wrinkled seeds (s).
In an experiment, when two
hybrids are crossed, what percent
of the offspring share the same
genotype as the parents?
a. 0%
b. 25%
c. 50%
d. 75%
e. 100%
2. Which of the following findings provides
the best evidence that an abnormal
trait is sex-linked?
a. The trait always skips a generation.
b. Some members of a family are
carriers of the disease.
c. The trait appears in all of the
offspring.
d. The trait is passed from mother to
daughters.
e. The trait is passed from mothers to
sons.
2. Which of the following findings provides
the best evidence that an abnormal
trait is sex-linked?
a. The trait always skips a generation.
b. Some members of a family are
carriers of the disease.
c. The trait appears in all of the
offspring.
d. The trait is passed from mother to
daughters.
e. The trait is passed from mothers to
sons.
3. An organism has three
independently assorting traits
AaBbCc. What fraction of
its gametes will contain the
recessive genes abc?
a. 0
b. 1/8
c. 1/4
d. 1/2
e. 3/4
3. An organism has three
independently assorting traits
AaBbCc. What fraction of
its gametes will contain the
recessive genes abc?
a. 0
b. 1/8
c. 1/4
d. 1/2
e. 3/4
4. The AB blood type in humans
is best described as
a. incomplete dominance
b. codominance
c. sex-linkage
d. polygenic inheritance
e. cytoplasmic inheritance
4. The AB blood type in humans
is best described as
a. incomplete dominance
b. codominance
c. sex-linkage
d. polygenic inheritance
e. cytoplasmic inheritance
5. If an individual who is
homozygous dominant for a
trait mates with an individual
who is homozygous recessive
for that trait, their offspring
will be
a. all homozygous dominant
b. all homozygous recessive
c. ½ homozygous dominant and
½ homozygous recessive
d. all heterozygous
e. ½ homozygous dominant and
½ heterozygous
5. If an individual who is
homozygous dominant for a
trait mates with an individual
who is homozygous recessive
for that trait, their offspring
will be
a. all homozygous dominant
b. all homozygous recessive
c. ½ homozygous dominant and
½ homozygous recessive
d. all heterozygous
e. ½ homozygous dominant and
½ heterozygous
6. In the fruit fly, Drosophila, the allele
for a normal body (B) is dominant to
the allele for hairy body (b). When
two normal-bodied fruit flies were
mated they produced 81 hair-bodied
flies and 319 normal-bodied flies. The
genotypes of the parents are most
likely
a. BB x bb
b. BB x Bb
c. Bb x Bb
d. Bb x bb
e. bb x bb
6. In the fruit fly, Drosophila, the allele
for a normal body (B) is dominant to
the allele for hairy body (b). When
two normal-bodied fruit flies were
mated they produced 81 hair-bodied
flies and 319 normal-bodied flies. The
genotypes of the parents are most
likely
a. BB x bb
b. BB x Bb
c. Bb x Bb
d. Bb x bb
e. bb x bb
7. What type of bonds joins one
strand of DNA to another
strand of DNA, forming a
double helix?
a. ionic bonds
b. hydrogen bonds
c. polar covalent bonds
d. hydrophobic interactions
e. nonpolar covalent bonds
7. What type of bonds joins one
strand of DNA to another
strand of DNA, forming a
double helix?
a. ionic bonds
b. hydrogen bonds
c. polar covalent bonds
d. hydrophobic interactions
e. nonpolar covalent bonds
8. Which scientist(s) identified
DNA as the genetic material
of inheritance?
a. Mendel
b. Watson and Crick
c. Darwin
d. Avery
e. Okazaki
8. Which scientist(s) identified
DNA as the genetic material
of inheritance?
a. Mendel
b. Watson and Crick
c. Darwin
d. Avery
e. Okazaki
9. DNA is composed of nucleotides.
Which of the following best
describes the components of a
nucleotide?
a. ribose and phosphate group
b. ribose and nitrogenous base
c. deoxyribose and a phosphate
group
d. ribose, deoxyribose and a
nitrogenous base
e. deoxyribose, phosphate group,
and nitrogenous base
9. DNA is composed of nucleotides.
Which of the following best
describes the components of a
nucleotide?
a. ribose and phosphate group
b. ribose and nitrogenous base
c. deoxyribose and a phosphate
group
d. ribose, deoxyribose and a
nitrogenous base
e. deoxyribose, phosphate group,
and nitrogenous base
10. Which of the following
statements is false?
a. Mutations are important in
evolution.
b. Errors in DNA replication can
cause mutations.
c. Mutagens are substances
which cause cancer.
d. Products of cellular
metabolism can cause mutations.
e. DNA polymerase proofreads
newly synthesized DNA.
10. Which of the following
statements is false?
a. Mutations are important in
evolution.
b. Errors in DNA replication can
cause mutations.
c. Mutagens are substances
which cause cancer.
d. Products of cellular
metabolism can cause mutations.
e. DNA polymerase proofreads
newly synthesized DNA.
11. In gel electrophoresis, DNA
fragments migrate toward the
__ electrode; the __ the
fragment, the faster it moves
through the gel.
a. negative; smaller
b. negative; larger
c. positive; smaller
d. positive; larger
e. none of the above
11. In gel electrophoresis, DNA
fragments migrate toward the
__ electrode; the __ the
fragment, the faster it moves
through the gel.
a. negative; smaller
b. negative; larger
c. positive; smaller
d. positive; larger
e. none of the above
12. Which of the following
substances is found in RNA
but not in DNA?
a. adenine
b. phosphate
c. thymine
d. deoxyribose
e. ribose
12. Which of the following
substances is found in RNA
but not in DNA?
a. adenine
b. phosphate
c. thymine
d. deoxyribose
e. ribose
13. Which of the following
cellular organelles is most
closely associated with the
transcription activity of
RNA?
a. mitochondria
b. nucleus
c. ribosomes
d. Golgi apparatus
e. lysosome
13. Which of the following
cellular organelles is most
closely associated with the
transcription activity of
RNA?
a. mitochondria
b. nucleus
c. ribosomes
d. Golgi apparatus
e. lysosome
14. Which of the following
cellular organelles is most
closely associated with the
translation activity of RNA?
a. mitochondria
b. nucleus
c. ribosomes
d. Golgi apparatus
e. lysosome
14. Which of the following
cellular organelles is most
closely associated with the
translation activity of RNA?
a. mitochondria
b. nucleus
c. ribosomes
d. Golgi apparatus
e. lysosome
15. If a messenger RNA codon
is UAC, which of the
following would be the
complementary anticodon
triplet in the tRNA?
a. ATG
b. AUC
c. AUG
d. ATT
e. ATC
15. If a messenger RNA codon
is UAC, which of the
following would be the
complementary anticodon
triplet in the tRNA?
a. ATG
b. AUC
c. AUG
d. ATT
e. ATC
16. The correct sequence
between genes and their
phenotypic expression is
a. RNA-DNA-protein-trait
b. DNA-RNA-protein-trait
c. protein-DNA-RNA-trait
d. trait-DNA-RNA-protein
e. trait-protein-DNA-RNA
16. The correct sequence
between genes and their
phenotypic expression is
a. RNA-DNA-protein-trait
b. DNA-RNA-protein-trait
c. protein-DNA-RNA-trait
d. trait-DNA-RNA-protein
e. trait-protein-DNA-RNA
17. During posttranslational
modification, the polypeptide
from a eukaryotic cell typically
undergoes a substantial
alteration that results in
a. excision of introns
b. addition of a poly(A) tail
c. forming of peptide bond
d. a change in the overall
conformation of the
polypeptide
e. the synthesis of amino acids
17. During posttranslational
modification, the polypeptide
from a eukaryotic cell typically
undergoes a substantial
alteration that results in
a. excision of introns
b. addition of a poly(A) tail
c. forming of peptide bond
d. a change in the overall
conformation of the
polypeptide
e. the synthesis of amino acids
18. All of the following enzymes
are involved in the replicative
process of DNA EXCEPT
a. DNA helicase
b. DNA polymerase
c. RNA polymerase
d. RNA primase
e. DNA ligase
18. All of the following enzymes
are involved in the replicative
process of DNA EXCEPT
a. DNA helicase
b. DNA polymerase
c. RNA polymerase
d. RNA primase
e. DNA ligase
19. Which of the following
represents the maximum
number of amino acids that
could be incorporated into a
polypeptide encoded by 21
nucleotides of mRNA?
a. 3
b. 7
c. 21
d. 42
e. 63
19. Which of the following
represents the maximum
number of amino acids that
could be incorporated into a
polypeptide encoded by 21
nucleotides of mRNA?
a. 3
b. 7
c. 21
d. 42
e. 63
a. uracil nucleotide
b. guanine nucleotide
c. translation
d. transcription
e. splicing
20. takes place only in eukaryotes
21. forms three hydrogen bonds
when linked with cytosine
22. DNA  RNA
23. found only in RNA
a. uracil nucleotide
b. guanine nucleotide
c. translation
d. transcription
e. splicing
20. takes place only in eukaryotes E
21. forms three hydrogen bonds
when linked with cytosine B
22. DNA  RNA D
23. found only in RNA A
a. Okazaki fragments
b. transposons
c. lagging strand
d. leading strand
e. hnRNA
24. DNA segments that can move around
the genome
25. The strand that is first assembled
in discrete nucleotide segments
26. The discontinuous strand during DNA
replication
27. Unprocessed RNA molecules that are
precursors
a. Okazaki fragments
b. transposons
c. lagging strand
d. leading strand
e. hnRNA
24. DNA segments that can move around
the genome B
25. The strand that is first assembled
in discrete nucleotide segments C
26. The discontinuous strand during DNA
replication C
27. Unprocessed RNA molecules that are
precursors E
a. phenotype
b. codominance
c. heterozygous
d. dihybrid cross
e. monohybrid cross
28. two different alleles for the same
trait are observed in a single
organism
29. the functional manifestations of
gene activity in an organism
30. the individual expression of two
inherited alleles
a. phenotype
b. codominance
c. heterozygous
d. dihybrid cross
e. monohybrid cross
28. two different alleles for the same
trait are observed in a single
organism C
29. the functional manifestations of
gene activity in an organism A
30. the individual expression of two
inherited alleles B