Download Review for Unit 5 Exam

Unit 5 Review Game
1
Through a microscope, you can see a cleavage furrow beginning to form with nuclei
re-forming on either side of the cell. This cell is most likely
A
B
C
D
E
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are separated during meiosis I.
are created when DNA is replicated.
are the same thing as homologous chromosomes.
are attached at the centromere during telophase II of meiosis.
all of the above
Cells that have the ability to give rise to all the specialized cell types of an adult organism
are said to be
A
B
C
D
E
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the new cell plate forms in telophase.
chromosomes become aligned during metaphase.
sister chromatids are attached to one another in prophase.
microtubules are fastened to the centrioles during anaphase.
the chromosomes are connected to the cell plate in metaphase.
Sister chromatids
A
B
C
D
E
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chromatin.
a chromatid.
a chloroplast.
a centrosome.
a chromoplast.
The centromere is a region in which
A
B
C
D
E
4
a bacterial cell dividing.
a plant cell in metaphase.
a plant cell in the process of cytokinesis.
an animal cell in the process of cytokinesis.
an animal cell in the S phase of the cell cycle.
The complex of DNA and protein that makes up a eukaryotic chromosome is properly called
A
B
C
D
E
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totipotent.
omnipotent.
pluripotent.
ultrapotent.
megapotent.
Which of the following DOES NOT occur during the mitotic phase (M) of the cell cycle?
A
B
C
D
E
spindle formation
replication of the DNA
separation of the centrosomes
separation of sister chromatids
condensation of the chromosomes
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Unit 5 Review Game
7
One difference between a cancer cell and a normal cell is that
A
B
C
D
E
8
A particular cell has half as much DNA as some of the other cells in a mitotically active
tissue. The cell in question is most likely in
A
B
C
D
E
9
20
40
60
80
160
Assume that you are dealing with a species in which the number of chromosomes in each
somatic cell is 16. How many sister chromatids are present in the early telophase of
mitosis?
A
B
C
D
E
11
G1.
G2.
prophase.
anaphase.
metaphase.
If a cell contains 80 chromatids at the start of mitosis, how many chromosomes will be
found in each daughter cell at the completion of the cell cycle?
A
B
C
D
E
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the cancer cell is unable to synthesize DNA.
cancer cells are always in the M phase of the cell cycle.
the cell cycle of the cancer cell is arrested at the S phase.
cancer cells continue to divide even when they are tightly packed together.
cancer cells cannot function properly because they suffer from
density-dependent inhibition.
0
8
16
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none of the above
When we say that an organism is haploid, we mean that
A
B
C
D
E
it has one half of a chromosome.
its cells each have one chromosome.
its cells have two sets of chromosomes.
its cells have a single set of chromosomes.
none of the above
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Page 2
Unit 5 Review Game
12
During development, individual cells of the same organism begin to differentiate. This
occurs because the cells begin to
A
B
C
D
E
13
In sexually reproducing species, the chromosome number remains stable over time
because _____ and _____ always alternate.
A
B
C
D
E
14
They pair up in prophase I.
They are found in diploid cells.
They are found in both animal cells and plant cells.
They have genes for the same traits at the same loci.
They are found in the cells of human females but not in human males.
The sperm of a male rabbit contains 22 chromosomes. How many chromosomes are in the
somatic (body) cells of a rabbit?
A
B
C
D
E
16
meiosis ... mitosis
meiosis ... interphase
mitosis ... fertilization
meiosis ... fertilization
meiosis I ... meiosis II
Which of the following statements about homologous chromosomes is INCORRECT?
A
B
C
D
E
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die through apoptosis.
show determinate growth.
produce different proteins.
reduce their chromosome number through meiosis.
all of the above
11
22
44
88
There is not enough information to answer.
During anaphase I
A
B
C
D
E
nuclei re-form.
the cell is haploid.
chromosomes line up in one plane.
homologues separate and migrate toward opposite poles.
sister chromatids separate and migrate toward opposite poles.
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Unit 5 Review Game
17
As shown in this diagram, the process of synapsis begins during
A
B
C
D
E
18
Crossing over DOES NOT
A
B
C
D
E
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occur in most plants.
provide genetic variation.
occur in gamete-producing cells.
occur in the prophase of mitosis.
usually yield genetically different chromatids.
The major contribution of sex to evolution is
A
B
C
D
E
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prophase I.
anaphase I.
cytokinesis.
prophase II.
metaphase I.
it is the only mechanism for species to reproduce.
it provides a method to increase genetic variation.
it provides a way in which somatic mutations can be inherited.
A and B are both correct
B and C are both correct
Ignoring crossover, how many kinds of gametes can be produced by an organism with a
diploid number of 8?
A
B
C
D
E
2
4
8
16
32
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Unit 5 Review Game
Page 5
Answer Key : Unit 5 Review Game
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Answer
D
A
C
B
B
D
A
B
A
D
D
E
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A
D
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D