Meiosis — Unit test Answers
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Tissue cultures (samples of cancer cells) are taken from cancer patients, and the cells are then grown in a laboratory. What is the purpose of growing cancer cells in a laboratory?
A
to test medicinal treatments before giving them to patientsB
to replace cancer cells with healthy cellsC
to provide evidence of cancer cells in the patientD
to stop the cancer from growing in the patient2
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Which statement best describes the overall change that occurs as a result of mitosis?
A
One cell becomes two cells that have identical copies of DNA.B
One cell becomes two cells that have different copies of DNA.C
Two cells become two cells that have identical copies of DNA.D
Two cells become two cells that have different copies of DNA.3
Which part of cell division is different in plant and animal cells?
A
cytokinesisB
anaphaseC
mitosisD
eukaryotic4
Which series of diagrams correctly represents the order of mitosis?
A
The steps of mitosis are shown. In step 1, the cell starts to break down structures. In step 2, the chromosomes line up at the center. In step 3, the chromatids separate from each other and are pulled to opposite ends of the cell. In step 4, the cell is divided.
B
The steps of mitosis are shown. In step 1, the cell starts to break down structures. In step 2, the cell is divided. In step 3, the chromatids separate from each other and are pulled to opposite ends of the cell. In step 4, the chromosomes line up at the center.
C
The steps of mitosis are shown. In step 1, the cell starts to break down structures. In step 2, the cell is divided. In step 3, the chromosomes line up at the center. In step 4, the chromatids separate from each other and are pulled to opposite ends of the cell.
D
The steps of mitosis are shown. In step 1, the cell starts to break down structures. In step 2, the chromatids separate from each other and are pulled to opposite ends of the cell. In step 3, the chromosomes line up at the center. In step 4, the cell is divided.
5
Which equation represents fertilization?
A
haploid + diploid = diploidB
diploid + haploid = haploidC
haploid + haploid = diploidD
diploid + diploid = diploid6
Which best illustrates the result of the process of meiosis?
A
A pea plant has the same flower color as its parent plants.B
A daughter looks different from both her mother and her father.C
A cheetah cub has very similar fur to its mother.D
A Labrador puppy looks exactly like its father.7
Which best defines a diploid cell during meiosis?
A
a cell that has double the number of chromosomes as the parent cellB
a cell that has half the number of chromosomes as the parent cellC
a cell that has double the number of chromosomes as the daughter cellD
a cell that has half the number of chromosomes as the daughter cell8
If an organism's diploid number is 12, what would be its haploid number?
A
3B
6C
24D
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