Mitosis And Meiosis - ChAPters 12-13 - AP Biology

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mitosis and meiosis - chAPters 12-13 - AP biology

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1.  Which of the following is the term for a human cell that contains 22 pairs of autosomes and two X chromosomes?
A.
B.
C.
D.
E.
2.  If there are 20 chromatids in a cell at metaphase, how many chromosomes are there in each daughter cell following cytokinesis?
A.
B.
C.
D.
E.
3.  Match the following key event of meiosis with one of the stages listed below: Centromeres of sister chromatids uncouple and chromatids separate.     I.    prophase I       V.    prophase II     II.   metaphase I    VI.    metaphase II     III.   anaphase I     VII.    anaphase II     IV.  telophase I     VIII.    telophase II
4.  All of the following are functions of meiosis in plants except
A.
B.
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D.
E.
5.  If there are 20 chromatids in a cell, how many centromeres are there?
A.
B.
C.
D.
E.
6.  Select the term below that is most closely related to this phrase: The "restriction point" occurs here.     A.    G0     B.    G1     C.    S     D.    G2     E.    M
7.  Which of the following is true of a species that has a chromosome number of 2n = 16?
A.
B.
C.
D.
E.
8.  Which of the following happens at the conclusion of meiosis I?
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B.
C.
D.
E.
9.  After telophase I of meiosis, the chromosomal makeup of each daughter cell is
A.
B.
C.
D.
E.
10. 
You isolate DNA from three different cell types of an organism, determine the relative DNA content for each type, and plot the results on the graph shown here: During meiosis, cells go from what number to what number?
A.
B.
C.
D.
E.
11.  At which stage of mitosis are chromosomes photographed in the preparation of a karyotype?
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B.
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D.
E.
12.  Which of the following statements about crossing over is incorrect?
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B.
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D.
E.
13. 
Which of the life cycles is typical for plants and some algae?
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B.
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D.
E.
14.  Imagine looking through a microscope at a squashed onion root tip. The chromosomes of many of the cells are plainly visible. In some cells, replicated chromosomes are aligned along the center (equator) of the cell. These particular cells are in which stage of mitosis?
A.
B.
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D.
E.
15.  Crossing over occurs during which phase of meiosis?
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B.
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D.
E.
16.  Taxol is an anticancer drug extracted from the Pacific yew tree. In animal cells, taxol disrupts microtubule formation by binding to microtubules and accelerating their assembly from the protein precursor, tubulin. Surprisingly, this stops mitosis. Specifically, taxol must affect
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B.
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D.
E.
17.  Match the following statement with one of the statements below: A cell divides to produce two daughter cells that are genetically identical.     A.    The statement is true for mitosis only.     B.    The statement is true for meiosis I only.     C.    The statement is true for meiosis II only.     D.    The statement is true for mitosis and meiosis I.     E.    The statement is true for mitosis and meiosis II.
18.  Which of the following terms belongs with the words synapsis, tetrads, and chiasmata?
A.
B.
C.
D.
E.
19. 
In the figure above, mitosis is represented by which number?
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B.
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D.
E.
20.  You have in your possession a microscope slide with meiotic cells on it and a light microscope. What would you look for if you wanted to identify metaphase I cells on the slide?
A.
B.
C.
D.
E.
21.  Match the following statement with one of the statements below: The process is preceded by replication of the DNA.     A.    The statement is true for mitosis only.     B.    The statement is true for meiosis I only.     C.    The statement is true for meiosis II only.     D.    The statement is true for mitosis and meiosis I.     E.    The statement is true for mitosis and meiosis II.
22. 
Which drawing represents a stage of meiosis in which independent assortment might occur if there were more than one pair of chromosomes represented?
23.  When comparing prophase I of meiosis with prophase of mitosis, which of the following occurs only in meiosis?
A.
B.
C.
D.
E.
24.  Select the term below that is most closely related to this phrase: Nerve and muscle cells are in this phase.     A.    G0     B.    G1     C.    S     D.    G2     E.    M
25.  Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?
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B.
C.
D.
E.
26.  Which of the following statements about genes is incorrect?
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B.
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D.
E.
27.  How do cells at the completion of meiosis compare with cells that have replicated their DNA and are just about to begin meiosis?
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B.
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D.
E.
28.  What causes the decrease in the amount of cyclin at a specific point in the cell cycle?
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B.
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D.
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29.  Which of the following is false regarding the bacterial chromosome?
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B.
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D.
E.
30.  The formation of a cell plate is beginning across the middle of a cell and nuclei are re-forming at opposite ends of the cell. What kind of cell is this?
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B.
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D.
E.
31.  Which of the following is true of the process of meiosis?
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B.
C.
D.
E.
32. 
You isolate DNA from three different cell types of an organism, determine the relative DNA content for each type, and plot the results on the graph shown here: Which sample of DNA might be from a nerve cell arrested in G0 of the cell cycle?
A.
B.
C.
D.
E.
33.  Asexual reproduction and sexual reproduction are different in that
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34.  How does the sexual life cycle increase the genetic variation in a species?
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D.
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35.                  A.     telophase                 B.     anaphase                 C.     prometaphase                 D.     metaphase                 E.     prophase   Choose the answer from above that best fits this description: Centrioles begin to move apart in animal cells.
36. 
You isolate DNA from three different cell types of an organism, determine the relative DNA content for each type, and plot the results on the graph shown here: Which sample might represent an animal cell in G2 phase of the cell cycle?
A.
B.
C.
D.
E.
37.  By examining a karyotype, it is possible to determine
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B.
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E.
38.  What is a genome?
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B.
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39.  Select the term below that is most closely related to this phrase: The cyclin component of MPF is destroyed toward the end of this phase.     A.    G0     B.    G1     C.    S     D.    G2     E.    M
40.  Which of the following is missing from the life cycle progression shown below?  sporophyte-meiosis-spore-________-gametophyte-mitosis-gametes- fertilization-zygote
A.
B.
C.
D.
E.
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