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Cell Cycle And Meiosis
Test Description: Review of the cell cycle and meiosis.
Instructions: Answer all questions to get your test result.
1) This attaches together the duplicated sister chromatids.
A
Kinetochores
B
Histones
C
Chromosomes
D
Centromeres
2) When proofreading and repair mechanisms fail in DNA reproduction, this can occur.
A
Chargaff
B
Mutation
C
Acetyl-CoA can be formed
D
Polymerase
3) During which stage of mitosis does the cleavage furrow occur?
A
metaphase
B
anaphase
C
prophase
D
telophase
4) This is cased by uncontrolled cell division.
A
Apoptosis
B
Chromatid
C
Cancer
D
Mutation
5) The paired chromosomes that are the same length and the genes for the same traits are:
A
Locus
B
Crossed over
C
Alleles
D
Homologous
6) When homologous chromosomes align at the metaphase plate and align randomly during meiosis, this is called:
A
Crossing over
B
Cytokinesis
C
Zygote
D
Independent Assortment
7) Chromosomes are _____________.
A
genetic material
B
all of the these
C
in all living organisms
D
condensed chromatin
8) How many times does DNA replicate during meiosis?
A
2
B
1
C
0
D
None of these
9) If a sperm cell contains 8 chromosomes, it comes from an animal that has ____________ chromosomes.
A
8
B
16
C
4
D
2
10) During which stage of meiosis does crossing-over occur?
A
Prophase I of meiosis I
B
Prophase II of meiosis II
C
Metaphase I of meiosis I
D
Prophase III of meiosis III
11) During a checkpoint of the cell cycle, p53 stops the cycle if DNA is damage. This occurs during this phase.
A
G0
B
G2
C
S
D
G1
12) What is the main purpose of the cell cycle?
A
To produce 4 daughter cells.
B
To produce daughter cells that are different.
C
To be utilized with sexual reproduction.
D
To create two identical cells, with the same DNA and the same organelles.
13) Most of the cell cycle is usually spent in this phase.
A
Metaphase
B
Prophase
C
Cytokinesis
D
Interphase
14) A cell grows to a mature size during the
A
G2 phase
B
S phase
C
G1 phase
D
None of these are correct
15) chromatin coils into chromosomes; nuclear envelope breaks down; centrioles appear during
A
during telophase.
B
during anaphase.
C
during prophase.
D
during metaphase.
16) The difference between mitosis/meiosis is --
A
asexual/sexual
B
2 diploid/4haploid daughter cells
C
All of these are correct
D
Meiosis involves crossing over and tetrads
17) This is when the cell carries out its normal everyday, metabolic functions
A
Metaphase
B
Prophase
C
Interphase
D
Telophase
18) Meiosis causes
A
identical chromosomes
B
Genetic variation
C
all of these
D
similar traits
19) What do chromosomes do in meiosis, but not in mitosis?
A
Each chromosome makes a copy.
B
Chromatin condense or shorten up before cell division begins.
C
Chromosomes line up in the middle of the cell.
D
The homologous chromosomes form pairs.
20) Which pair shows the number of cells present both before and after meiosis II?
A
1 and 2
B
4 and 4
C
1 and 4
D
2 and 4
*select an answer for all questions
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