Unit #5 Mitosis & Meiosis

Which is most likely a cancer treatment?

• a drug that kills only very small cells

• a drug that kills only very large cells

• a drug that kills only slowly dividing cells

• a drug that kills only rapidly dividing cells

What describes the DNA before Mitosis occurs?

• centromere

• chromosomes

• chromatin

• centrioles

What is the purpose of the cell cycle?

• To create new cells for growth and repair

• repairs old cells

• makes proteins

• absorbs nutrients

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What happens during the S phase?

• growth

• chromosomes line up in the middle

• DNA is replicated

• cytoplasm splits

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Which is a benefit of meiosis?

• It increases mutations

• It increases genetic variability

• It decrease the number of chromosomes

• It increases the number of chromosomes

What type of cells are produced as a result of Meiosis?

• four diploid cells

• two diploid cells

• four haploid cells

• two haploid cells

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If the diploid number of chromosomes in a cat is 60, what is the haploid number of chromosomes?

• 10

• 20

• 30

• 60

What process increases genetic variability in organisms?

• mitosis

• asexual reproduction

• DNA replication

• meiosis

What is the outcome of crossing over in Meiosis?

• increased genetic variation

• decreased genetic variation

• increased number of chromosomes

• decreased number of chromosomes

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What process is used to make new body cells?

• Meiosis

• sexual reproduction

• Mitosis

• crossing over

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