Subject: Anatomy and Physiology

#137

What structure holds sister chromatids together?

A) Centromere

B) Centriole

C) Spindle

D) Kinetochore

Answer:   A

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#138

Which process ensures genetic diversity in meiosis?

A) DNA replication

B) Independent assortment

C) Cytokinesis

D) Cell elongation

Answer:   B

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#139

What is the final stage of cell division?

A) Telophase

B) Cytokinesis

C) Anaphase

D) Metaphase

Answer:   B

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#140

Which cells are produced by mitosis?

A) Sperm

B) Skin cells

C) Eggs

D) Gametes

Answer:   B

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#141

What is the purpose of checkpoints in the cell cycle?

A) Speed up division

B) Prevent errors

C) Promote mutations

D) Reduce ATP use

Answer:   B

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#142

Which phase follows S phase in the cell cycle?

A) G1

B) G2

C) M

D) Cytokinesis

Answer:   B

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#143

What is a tetrad?

A) Single chromosome

B) Paired homologous chromosomes

C) Sister chromatids

D) Spindle fibers

Answer:   B

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#144

Which disorder results from nondisjunction in meiosis?

A) Diabetes

B) Down syndrome

C) Cancer

D) Anemia

Answer:   B

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