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The Cell Cycle, Mitosis, And Meiosis
Test Description: This test covers ALCOSO #6 for Biology.
Instructions: Answer all questions to get your test result.
1) Meiosis is BEST described as
A
The process in which the number of chromosomes in a cell is doubled through the copying of homologous chromosomes.
B
The process in which the number of chromosomes in a cell is cut in half through the separation of homologous chromosomes.
C
The process in which the number of chromosomes stays the same per cell while the number of cells is reduced by half.
D
The process in which the number of chromosomes stays the same per cell while the number of cells is doubled.
2) During meiosis, chromosome pairs randomly line up along each side of the cell equator. This arrangement mixes up the chromosomal combinations, which
A
helps ensure reproductive success.
B
helps maintain all of the previous generation's characteristics.
C
helps ensure an equal number of males and females in the next generation.
D
helps create and maintain genetic diversity.
3) What is formed at the end of Meiosis ll?
A
diploid cells
B
centromeres
C
identical cells
D
gametes
4) In which process does cell division produce germ cells (eggs and sperm)?
A
anaphase
B
mitosis
C
prophase
D
meiosis
5) During meiosis, how many haploid cells (or gametes) are generated when one diploid eukaryotic cell divides?
A
4
B
3
C
1
D
2
6) If two diploid cells (2n) joined together in sexual reproduction, their fusion would produce a tetraploid zygote (4n). How do cells that fuse together in sexual reproduction ensure the production of a diploid zygote instead of a tetraploid zygote?
A
The chromosomes fuse, which produces cells with half the number of chromosomes.
B
They first undergo meiosis, so these cells have only half the number of chromosomes.
C
The zygote splits in half, which produces two cells, each with half the number of chromosomes.
D
After fertilization, the cell undergoes meiosis, which reduces the number of chromosomes by half.
7) What is the end product of mitosis?
A
four unique cells
B
four identical cells
C
two identical cells
D
two unique cells
8) After a sunburn, the body protects itself by shedding the burned skin and replacing it with new skin. Which process is responsible for this defense?
A
endosymbiosis
B
meiosis
C
mitosis
D
endocytosis
9) The cloning of plant cells is dependent upon which process?
A
meiosis
B
mitosis
C
sexual reproduction
D
binary fission
10) Unlike sexual reproduction, asexual reproduction maintains which characteristic of the original cell?
A
number of nuclei
B
shape
C
size
D
number of chromosomes
*select an answer for all questions
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