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S1 Review: Cell Division & Reproduction
Test Description: S1 Review: Cell Division & Reproduction
Instructions: Answer all questions to get your test result.
1) Which is true of mitosis?
A
Mitosis consists of three phases.
B
Mitosis is responsible for the formation of sex cells.
C
Mitosis causes cells to swell to ten times their normal size.
D
Mitosis results in two identical daughter cells.
2) Which statement is true of meiosis?
A
Meiosis is involved in growth and repair.
B
DNA is replicated twice during meiosis.
C
Meiosis reduces the chromosome number by half.
D
One cell division occurs during meiosis.
3) Which stage of meiosis is represented by chromatids being pulled to opposite sides of a cell?
A
prophase II
B
anaphase II
C
telophase I
D
metaphase I
4) Which phase of the cell cycle is characterized by the formation of two identical cells?
A
G2 phase
B
interphase
C
cytokinesis
D
G1 phase
5) Why do sperm cells and egg cells contain only 23 chromosomes each?
A
so that offspring will not inherit all of their genes from one parent and none from the other
B
so that when the two combine during fertilization, the fertilized egg will contain 46 chromosomes
C
so that when those 23 chromosomes duplicate themselves, there will be a total of 46 chromosomes in e
D
so that when the chromosomes split into two halves, there will be 46 halves in each cell
6) Which stage of meiosis is represented by alignment of tetrads on the equator?
A
anaphase II
B
metaphase I
C
prophase II
D
telophase I
7) Which stage of mitosis is represented by the image below?
A
anaphase
B
prophase
C
metaphase
D
telophase
8) Which phase of mitosis is characterized by the chromosomes attaching to the spindle fibers and aligning in the middle of the cell?
A
prophase
B
telophase
C
anaphase
D
metaphase
9) Which phase of mitosis is characterized by chromatin condensing into chromosomes?
A
metaphase
B
telophase
C
anaphase
D
prophase
10) During metaphase I of meiosis
A
the sister chromatids are attaching to spindle fibers.
B
the homologous chromosomes are undergoing crossing-over.
C
the pairs of homologous chromosomes are separating.
D
the chromosomes are coiling and becoming thicker.
*select an answer for all questions
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