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Which chromosomal mutation will cause Williams syndrome?


A) deletion
B) duplication
C) inversion
D) translocation
E) trisomy

F) C) and D)
G) D) and E)

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In which two phases of mitosis does the nuclear membrane appear or disappear?


A) prophase and metaphase
B) metaphase and anaphase
C) prophase and anaphase
D) anaphase and telophase
E) prophase and telophase

F) A) and B)
G) None of the above

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If an organism has four pairs of chromosomes,after meiosis,the daughter cells will contain how many chromosomes?


A) 2
B) 4
C) 8
D) 16
E) 32

F) A) and C)
G) A) and E)

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During which phase of meiosis will the homologous chromosomes pair up?


A) prophase I
B) prophase II
C) anaphase I
D) telophase II
E) metaphase I

F) B) and C)
G) B) and E)

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Which of the following is part of the mitotic spindle?


A) sister chromatid
B) nucleolus
C) nuclear membrane
D) aster
E) centromere

F) All of the above
G) A) and E)

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How are G1 and G2 different?


A) The cell copies its DNA during G1 but not G2.
B) The cell does not grow during G1 but doubles its organelles in G2.
C) In G1, the cell prepares to synthesize its DNA and in G2, it synthesizes the proteins needed for cell division.
D) The cell spends much more time in G2 than in G1.
E) Mitosis occurs during G1 but not during G2.

F) A) and B)
G) C) and D)

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List the stages of mitosis and explain the key events during each of the stages.

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Prophase: Centrosomes outside the nucleu...

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At which stage of mitosis do the chromsomes look like the letter "V"?


A) prophase
B) metaphase
C) anaphase
D) telophase
E) cytokinesis

F) B) and E)
G) None of the above

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How are mitosis and cytokinesis alike?


A) Both involve the nucleus.
B) Both involve mitochondria.
C) Both involve division.
D) Both involve apoptosis.
E) Both involve DNA synthesis.

F) A) and D)
G) A) and B)

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Cytokinesis is the division of the _____.


A) cytoplasm
B) nucleus
C) chromosome
D) chromatin
E) zygote

F) A) and C)
G) B) and C)

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What structures are divided during cytokinesis?


A) cytoplasm and organelles
B) cytoplasm and chromosomes
C) cell membrane and chromatin
D) nuclei
E) none of these

F) None of the above
G) A) and C)

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In a karyotype of duplicated chromosomes,each chromosome contains two sister chromatids.

A) True
B) False

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When a child is born,mitosis ceases to function.

A) True
B) False

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