Name _______________________________ Date __________________
SOL Bio.6
1. Two identical daughter cells
result from the division of a single
cell. What is this process called?
A
B
C
D
5. What two processes, involved in
sexual reproduction, are
occurring at points I and I I in the
diagram below?
mitosis
cytokensis
replication
transcription
2. What are the structures that guide
and push the chromosomes into
place during the processes of
mitosis and meiosis?
A
B
C
D
the endoplasmic reticulum
the spindle fibers
the ribosome bodies
the centromeres
3. If the body cells of an organism
had 32 chromosomes, what are
the haploid and diploid numbers
of chromosomes?
A
B
C
D
16 and 32
16 and 64
32 and 64
32 and 128
4. X-rays, ultraviolet light, and
certain chemicals can cause what
kind of changes in genetic
material?
A
B
C
D
haploid genes
mutations
recombinations
transcriptions
A
B
C
D
I - mitosis and I I - fertilization
I - mitosis and I I - zygotization
I - meiosis and I I - fertilization
I - meiosis and I I - zygotization
6. Adult animals and mature plants
are composed of many different
types of cells. Which of the
following is NOT a way some cells
are differentiated during
development ?
A Cells are affected by other cells near
them as they develop.
B The type and concentration of many
different hormones in their
environment affects how cells
develop.
C Some of the cell types develop from
the sperm cell and some just from
the egg.
D The time at which the cells are
produced in the development
process determines how those cells
will develop.
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SOL Bio.6
7. The child of two individuals, one
heterozygous with Type A blood,
and the other heterozygous with
Type B blood, has what chance of
having Type O blood?
A
0% chance
B
25% chance
C
50% chance
D 100% chance
8. Forms of the same gene with
different phenotypic expressions
are called what?
A
B
C
D
alleles
homologues
mutants
variables
9. Which of the following sequences
correctly describes the
production of a protein in a cell?
A
B
C
D
DNA → tRNA → mRNA → protein
tRNA → mRNA → DNA → protein
mRNA → tRNA → DNA → protein
DNA → mRNA → tRNA → protein
10. When the mRNA is transcribed, it
is read in what size units? (What
is its reading frame?)
A two adjacent nucleotides (nitrogen
bases)
B two adjacent nucleotides (nitrogen
bases) with an untranscribed stop
sequence
C three adjacent nucleotides (nitrogen
bases)
D three adjacent nucleotides (nitrogen
bases) with an untranscribed start
sequence
11. Why do human fertility drugs
often result in multiple births?
A The drugs can cause the ovulation
of more than one egg cell.
B The drugs produce early cleavage of
the egg cell.
C The drugs may cause many sperm
to reach the egg cell.
D The drugs result in a much greater
production of sperm cells.
12. The “code word” or codon for an
amino acid is made of how many
bases?
A
B
C
D
3
9
12
20
13. In DNA, the base adenine pairs
only with what other base?
A
B
C
D
guanine
thymine
uracil
cytosine
14. When mRNA is made, thymine is
replaced with what base?
A
B
C
D
ribosome
uracil
serine
autosome
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SOL Bio.6
15. When transcription has been
completed, a new molecule of
what has been made?
A
B
C
D
mRNA
rDNA
tRNA
rRNA
19. Anticodons are a part of
molecules of:
A
B
C
D
mRNA.
tRNA.
DNA.
mTRP.
20. The process by which proteins
are built is called:
16. Amino acids are carried to
ribosomes after they are attached
to:
A
B
C
D
chromosomes.
mTRP.
codons.
tRNA.
17. Amino acid molecules bound
together into chains form:
A
B
C
D
protein.
fat.
sugar.
starch.
A
B
C
D
crossing over.
transcription.
translation.
replication.
21. The DNA of all living things
contain the same four nitrogen
bases.
A True.
B False, some DNA contains uracil in
addition.
C False, some DNA contains uracil in
place of thymine.
D False, DNA contains hundreds types
of nitrogen bases.
22. Somatic cell is to gamete cell as:
18. Is it necessary for a molecule of
mRNA to attach to a ribosome for
protein production?
A Yes, always.
B No, protein is usually produced
without a ribosome.
C Sometimes, protein can be
produced without a ribosome.
D mRNA does not actually produce
protein.
A
B
C
D
adult cell is to infant cell.
multicellular is to unicellular.
body cell is to sex cell.
plant cell is to animal cell.
23. If the body cell of an organism
has 28 chromosomes, its diploid
(2N) number is:
A
7.
B 14.
C 28.
D 56.
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SOL Bio.6
24. The area where the sister
chromatids are attached to each
other:
29. Bacteria is an example of a
prokaryotic cell which divides
after:
A
B
C
D
A
B
C
D
spindle.
centromere.
centriole.
microtubule.
25. Chromosomes line up in a single
row along the equator of a cell in
what phase?
A
B
C
D
telophase
metaphase
prophase
anaphase
26. These structures push and pull
the chromosomes into place
during cell division.
A
B
C
D
DNA strands
spindle fibers
chromatids
ribosome bodies
27. Chromosomes diffuse or uncoil to
form a new nucleus during:
A
B
C
D
telophase.
metaphase.
prophase I.
anaphase II.
28. Which of these is two-parent
reproduction?
A
B
C
D
asexual
binary fission
sexual
diploidity
the chromosomes move apart.
a circle of DNA is copied.
the nucleus wall divides.
the cell wall breaks four ways.
30. If organisms are closely related,
their nucleotide sequences will be
very similar. This can be seen in
the similarity of:
A the sequences of amino acids in
their proteins.
B the types of sugars they produce.
C their phospholipid membranes
D the type of ATP they use.
31. Any hybrid individual organism
is:
A
B
C
D
recessive.
dominant.
heterozygous.
homozygous.
32. The effects of a recessive allele
are seen in which or the following
cases?
A
B
C
D
GG
Gg
gG
gg
33. The failure of chromosomes to
separate properly is called:
A
B
C
D
disjunction.
nondisjunction.
replicate failure.
chromatid blockage.
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SOL Bio.6
34. The sex chromosomes for a
normal female fruit fly or human
is:
A
B
C
D
YY.
XY.
XX.
Xy.
35. Normal humans have how many
chromosomes in the nucleus of
their body cells?
A
B
C
D
12
23
46
92
36. What cellular organelle other than
the nucleus contains genetic
material?
A
B
C
D
the lysosome
the Golgi body
the endoplasmic recticulum
the mitochondrion
39. What is the branch of biology that
deals with heredity?
A
B
C
D
taxonomy
genetics
cytology
chromotology
40. Ultraviolet light, x-rays, and
chemicals that cause changes in
or a loss of genetic information
are called:
A
B
C
D
halogens.
mutagens.
isotopes.
nitrogens.
41. A family record that can indicate
the occurrence of a trait is:
A
B
C
D
sonogram.
karyotype.
pedigree.
amniogram.
37. The physical appearance of an
individual is its:
A
B
C
D
genotype.
phenotype.
chromotype.
logotype.
38. Different forms of the same gene
with different expressions are
called:
A
B
C
D
42. A gene that expresses its trait and
masks or stops another gene of a
pair is said to be:
A
B
C
D
dominant.
recessive.
polyploid.
recombinant.
homologs.
tetrads.
mutants.
alleles.
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35
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SOL Bio.6
43. The separation of one gene pair
on a given pair of chromosomes
and the distribution of the genes
to gametes during meiosis are
entirely independent of the
distribution of other gene pairs on
other pairs of chromosomes. This
is called:
46. What is the phenotype of the
offspring in block A?
A
B
C
D
47. What is the genotype of the
offspring in blocks B and D?
the law of dominance.
the law of segregation.
the law of independent assortment.
the law of codominance.
44. The exchange of corresponding
parts of homologous
chromosomes during meiosis is
called:
A
B
C
D
A
B
C
D
a tongue-roller
not a tongue roller
RR
rr
RR
Rr
rr
a tongue roller
48. What is the phenotype of the
offspring in block C?
a tetrad.
a mutation.
a blueprint.
crossing over.
45. Traits that are determined by
genes on the X chromosomes are
said to be:
A
B
C
D
A
B
C
D
A
B
C
D
a tongue-roller
not a tongue roller
Rr
rr
49. Moving genes from the
chromosomes of one organism to
the chromosomes of another
organism another is called:
phenotypes.
offspring.
autosomes.
sex-linked.
Some people can roll their tongues
into a U-shape, while others cannot.
The Punnett square below shows a
cross between parents with and
without the ability. The tongue-rolling
trait is dominant. Use the following
diagram to answer the next three
questions.
R
r
R
A
B
r
D
C
A
B
C
D
transcription.
genetic engineering.
restriction.
fragmentation.
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36
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