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