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Worksheetsnguyên phân giảm phân
Total questions: 216
Worksheet time: 3hrs 40mins
What is the correct definition of a haploid cell?
A cell that only has a single set of chromosomes. (23 = n)
A cell that has 2 sets of chromosomes (46 = 2n)
During which of the following stages are the chromosomes aligned at the midpoint of the nuclei?
metaphase
anaphase
telophase
prophase
What is the end product of meiosis?
4 haploid cells.
2 diploid cells.
2 haploid cells.
4 diploid cells.
How is DNA organized inside the Nucleus?
Chromosomes
Base pairs
Segments
Plasmids
During what stage of the cell cycle do organelles get duplicated?
G1
S
G2
M (mitosis)
What is the next phase of mitosis?
Prophase
Metaphase
Anaphase
Telophase
What process results in the division of 1 cell into 2 identical daughter cells?
Mitosis
Meiosis
G1
Cross-Over
What is the correct order of the stages of Mitosis?
Telophase, Anaphase, Metaphase, Prophase
Prophase, Telophase, Metaphase, Anaphase.
Prophase, Metaphase, Anaphase, Telophase.
Anaphase, Metaphase, Prophase, Telophase.
What is the final stage of meiosis?
telophase I
anaphase II
Metaphase I
telophase II
What is the normal number of chromosomes in a normal (diploid) cell?
46 (23 x 2)
23 (23 x 1)
92 (23 x 4)
92 (46 x 2)
What is the name for the event that results in the division of the cell body (cytoplasm) into 2 daughter bodies.
Telophase
Citokinesis
Mitosis
Cross Over
What process results in the division of 1 cell into 2 identical daughter cells?
Mitosis
Meiosis
G1
Cross-Over
During what stage of the cell cycle do organelles get duplicated?
G1
S
G2
M (mitosis)
During what stage of the cell cycle does genetic material get duplicated?
G1
S
G2
M
What is the name for the event that results in the division of the cell body (cytoplasm) into 2 daughter bodies.
Telophase
Citokinesis
Mitosis
Cross Over
How is DNA organized inside the Nucleus?
Chromosomes
Base pairs
Segments
Plasmids
What is the correct order of the stages of Mitosis?
Telophase, Anaphase, Metaphase, Prophase
Prophase, Telophase, Metaphase, Anaphase.
Prophase, Metaphase, Anaphase, Telophase.
Anaphase, Metaphase, Prophase, Telophase.
What is the normal number of chromosomes in a normal (diploid) cell?
46 (23 x 2)
23 (23 x 1)
92 (23 x 4)
92 (46 x 2)
What is the correct definition of a haploid cell?
A cell that only has a single set of chromosomes. (23 = n)
A cell that has 2 sets of chromosomes (46 = 2n)
What is the end product of meiosis?
4 haploid cells.
2 diploid cells.
2 haploid cells.
4 diploid cells.
During which of the following stages are the chromosomes aligned at the midpoint of the nuclei?
metaphase
anaphase
telophase
prophase
What is the final stage of meiosis?
telophase I
anaphase II
Metaphase I
telophase II
Fruit fly body cells have 8 chromosomes. After mitosis you would expect the resulting fruit fly daughter cells to have… chromosomes.
16
8
46
4
What is the next phase of mitosis?
Prophase
Metaphase
Anaphase
Telophase
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
In order for the genetic information to be transferred into daughter cells
In order for the DNA to be contained in the nucleus
In order for the cell to be able to increase in size
In order for the cell to re-order the DNA sequencing in the new cells
In mitosis the two resulting cells are
Different from the starting cell and identical to each other
Identical to the starting cell and different from each other
Different from the starting cell and different from each other
Identical to the starting cell and identical to each other
Stage in the cell cycle where the cell’s nuclear material divides and separates…
G1
G2
Synthesis
Mitosis
The end of meiosis results in _______ to each other.
2 cells that are genetically identical
4 cells that are genetically identical
2 cells that are genetically unique
4 cells that are genetically unique
Which of the following represents what happens to the chromosome number during MITOSIS?
2n → n
n → 2n
2n → 2n
2n → 4n
Stage in the cell cycle where the cell’s nuclear material duplicates…
G1
G2
Synthesis
Mitosis
Which stage of cell division divides the cytoplasm?
G1
G2
Cytokinesis
Mitosis
The ___________ pulls the sister chromatids apart during mitosis or meiosis 2
kinetochore
cell plate
spindle fibres
centromere
During mitosis, when does the nuclear envelope reform?
prophase
metaphase
anaphase
telophase
Which of the following results in two cells identical to the parent cell?
mitosis
meiosis
Which phase of mitosis is shown?
prophase
metaphase
anaphase
telophase
What is the period between cell divisions?
Interphase
Prophase
Metaphase
Anaphase
When does chromatin condense during mitosis?
telophase
anaphase
metaphase
prophase
Which of the following best describes the offspring of asexually reproducing organisms?
They vary genetically from the parent
They are genetically identical to the parent
Nuclear division and cytoplasmic division are involved with mitosis.
True
False
As a cell becomes larger...
Its volume increases faster than its surface area
Its volume and surface area increase at equal rates
The volume increases but the surface area remains the same
When are chromosomes visible during the cell cycle?
Interphase
Mitotic Phase
Cytokinesis
Never
When does DNA replication occur?
G1 phase
S phase
G2 phase
Cytokinesis
When cells loses their ability to control cell division, it may lead to (a) .
(a) are a group of related proteins that help regulate the cell cycle.
How many chromosomes are found in a human somatic cell?
23
46
48
52
How many chromosomes are found in a human egg cell?
23
46
unknown
How many cells are produced as a result of meiosis?
2
4
6
8
When does crossing over occur?
Metaphase I
Metaphase II
Prophase I
Prophase II
(a) cells can differentiate into many kinds of cells.
During which of the following stages are the chromosomes aligned at the midpoint of the nuclei?
metaphase
anaphase
telophase
prophase
Which stage facilitates cell growth and preparation for mitosis?
Interphase
Metaphase
Prophase
Anaphase
What is the next phase of mitosis?
Prophase
Metaphase
Anaphase
Telophase
How is DNA organized inside the Nucleus?
Chromosomes
Base pairs
Segments
Plasmids
What is this phase of Mitosis?
Prophase
Metaphase
Anaphase
Telophase
The nuclear membrane dissolves, spindle fibers form towards the center of the cell. and centrioles move to opposite poles of the cell during which phase?
prophase
anaphase
telophase
metaphase
What are loosely packed combination of DNA and proteins (histones)?
chromatin
chromatids
chromosomes
dna
A
B
C
D
Chromosomes become visible in the cell during which phase?
prophase
anaphase
telophase
cytokinesis
Is the following cell diploid or haploid?
Diploid
Haploid
What is the final stage of meiosis?
telophase I
anaphase II
Metaphase I
telophase II
What is the final stage of meiosis?
telophase I
anaphase II
Metaphase I
telophase II
What happens during synthesis?
DNA is replicated in the nucleus resulting in two identical copies of DNA.
Cells just function as they should.
DNA is replicated in the cytoplasm resulting in two different copies of DNA.
Cells are duplicated.
What process results in the division of 1 cell into 2 identical daughter cells?
Mitosis
Meiosis
G1
Cross-Over
What is the end product of meiosis?
4 haploid cells.
2 diploid cells.
2 haploid cells.
4 diploid cells.
what is the split phase called
telophase
antiphase
metophase
prophase
During what stage of the cell cycle does genetic material get duplicated?
G1
S
G2
M
what is this phase?
anaphase
prophase
telaphase
enter phase
What is the correct definition of a haploid cell?
A cell that only has a single set of chromosomes. (23 = n)
A cell that has 2 sets of chromosomes (46 = 2n)
DNA is replicated in which stage?
Interphase
Prophase
Anaphase
Metaphase
The G1, S, and G2 are parts of which phase of the cell cycle?
Prophase
Interphase
Telophase
Anaphase
What process results in the division of 1 cell into 2 identical daughter cells?
Mitosis
Meiosis
G1
Cross-Over
A
B
C
D
How is DNA organized inside the Nucleus?
Chromosomes
Base pairs
Segments
Plasmids
What is the correct order of the stages of Mitosis?
Telophase, Anaphase, Metaphase, Prophase
Prophase, Telophase, Metaphase, Anaphase.
Prophase, Metaphase, Anaphase, Telophase.
Anaphase, Metaphase, Prophase, Telophase.
What is the normal number of chromosomes in a normal (diploid) cell?
46 (23 x 2)
23 (23 x 1)
92 (23 x 4)
92 (46 x 2)
During what stage of the cell cycle do organelles get duplicated?
G1
S
G2
M (mitosis)
T or F: Metaphase is the longest phase of mitosis?
True
False
What is the NEXT phase of mitosis after the phase shown?
Prophase
Metaphase
Anaphase
Telophase
what is this phase
prophase
metaphase
anaphase
teloophase
A
B
C
D
What cell cycle process' prupose is to divide the nucleus to make 2 nuclei with identiacal DNA; split the DNA so the correct half can go in the new cell?
mitosis
meiosis
interphase
cytokinesis
Both mitosis and meiosis
produce gametes
are involved in making new cells
occur in bacteria
produce Somatic cells
What does diploid mean?
Two copies of chromosomes
1 copy of chromosomes
46 copies of chromosomes
23 chromosomes
How many chromosomes do YOU receive from each parent?
10 chromosomes from mom and 10 chromosomes from dad
46 chromosomes from mom and 46 chromosomes from dad
23 chromosomes from mom and 23 chromosomes from dad
How many chromosomes do humans have in each of their body cells?
20
30
46
92
You cut your finger. Your body works hard to make more skin cells to heal the cut. Which process would happen to make more skin cells for you?
Mitosis
Meiosis
Homologous chromosomes are
Identical chromosomes
Similar in size and shape but are not identical
Found only in mitosis
Completely different chromosomes
At the END of Mitosis, we make...
2 haploid cells
4 haploid cells
2 diploid cells
4 diploid cells
What is the product of meiosis?
2 identical cells
4 identical cells
2 genetically different cells
4 genetically different cells
Haploid cells have
half the number of chromosomes of a starting cell
a full number of chromosomes like the organism's body cells
If an organism has 50 chromosomes in its body cells, how many chromosomes would be in each cell at the end of meiosis?
20
25
50
100
Each chromosomes pairs with its corresponding homologus chromosome to form a tetrad
Metaphase I
Telophase I & Cytokinesis
Prophase I
Anaphase II
What are the "X" shaped things in the drawing.
PMATs
Chromosomes
Ribosomes
Telophase
Interphase
Prophase
Metaphase
Anaphase
Telophase
What process results in the division of 1 cell into 2 identical daughter cells?
Mitosis
Meiosis
G1
Cross-Over
What is the normal number of chromosomes in a normal (diploid) cell?
46 (23 x 2)
23 (23 x 1)
92 (23 x 4)
92 (46 x 2)
What is the correct definition of a haploid cell?
A cell that only has a single set of chromosomes. (23 = n)
A cell that has 2 sets of chromosomes (46 = 2n)
What is the end product of meiosis?
4 haploid cells.
2 diploid cells.
2 haploid cells.
4 diploid cells.
What pulls the chromosomes apart?
Spinner wheels
Spiral windows
Spindle fibers
Spiral fibers
Has one set of chromosomes
Haploid
Diploid
Body cells
None of the above
Starts with one diploid cell
Mitosis
Meiosis
Both
Neither
Produces diploid cells
Mitosis
Meiosis
Produces haploid cells
Mitosis
Meiosis
How many divisions are in meiosis?
46
23
2
4
Timmy fell off his skateboard and scraped his knee. Which cell process is going to be used to heal the wound?
Mitosis
Meiosis
The wound would not heal
Cell diffusion
If an organism reproduces asexually, its offspring will most likely be...
genetically identical to the parent
genetically different from each other
produced from specialized cells known as gametes
A mutant
How many chromosomes do the daughter cells have in meiosis?
23
46
2
4
How many chromosomes do the daughter cells have in mitosis?
23
46
2
4
The end result of meiosis is...
4 identical cells
4 genetically different cells
2 identical cells
2 genetically different cells
The end result of mitosis is
4 Identical Cells are produced
4 genetically different cells are produced
2 identical cells are produced
2 genetically different cells are produced
