Cell growth and division

An EGG cell of a Rhesus monkey has 21 chromosomes. What is the total number of chromosomes that would be present in the skin cell of the same monkey?

• 21

• 42

• 84

• 7

What can cause cancer to spread to other parts of the body?

• benign tumor

• gametes

• malignant tumor

• somatic cells

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How do somatic cells differ from sex cells?

• They form during mitosis

• They form during meiosis

• They have 1/2 the number of chromosomes

• They determine the sex of an individual

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In what phase does "crossing over" occur?

• prophase II

• anaphase

• Interphase

• Prophase I

Why do multicellular organisms divide?

• Growth and repair

• to keep all cells undifferentiated

• asexual reproduction

• to prevent cancer

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Why do cells need to stay small?

• surface area increases faster than volume

• volume and surface area both decrease

• volume increases faster than the surface area

• volume and surface area increase the same

During cytokinesis how does a plant cell differ from an animal cell?

• cell growth is larger

• the cell plate disappears

• a cell plate forms

• the cleavage furrow is only in plants

How is sexual reproduction more beneficial than asexual reproduction?

• offspring inherit half of their genetic information from each parent

• offspring develop all their genetic information from one parent

• it happens much quicker

• all members of population are equally fit

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NGSS.HS-LS3-2

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What helps separate chromosomes in mitosis?

• centromeres

• spindle fibers

• chromatin

• gametes

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NGSS.HS-LS1-4

Two similar chromosomes that you inherit from your parents are called

• sex chromosomes

• sister chromatids

• homologous chromosomes

• brother cells

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