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