Cell Reproduction Mitosis and Meiosis

What is the primary purpose of mitosis in multicellular organisms?

• To produce gametes

• To repair and replace damaged cells

• To increase genetic diversity

• To reduce chromosome number by half

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DOK Level 1: Recall

Which of the following statements is true about meiosis?

• It results in two identical daughter cells

• It occurs in somatic cells

• It reduces the chromosome number by half

• It is a form of asexual reproduction

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DOK Level 1: Recall

Explain why meiosis is important for sexual reproduction.

• It ensures genetic diversity through recombination and independent assortment.

• It produces identical cells for growth and repair.

• It allows organisms to reproduce asexually.

• It maintains the same chromosome number in offspring as in parents.

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DOK Level 2: Skill/Concept

Identify a key difference between mitosis and meiosis.

• Mitosis results in four daughter cells, while meiosis results in two.

• Mitosis occurs in gametes, while meiosis occurs in somatic cells.

• Mitosis produces genetically identical cells, while meiosis produces genetically diverse cells.

• Mitosis reduces chromosome number by half, while meiosis maintains the chromosome number.

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DOK Level 2: Skill/Concept

Describe one characteristic of mitosis that distinguishes it from meiosis.

• Mitosis involves two rounds of cell division.

• Mitosis results in haploid cells.

• Mitosis produces cells with the same number of chromosomes as the parent cell.

• Mitosis includes crossing over during prophase.

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DOK Level 2: Skill/Concept

What is the significance of crossing over during meiosis?

• It ensures that daughter cells are identical to the parent cell.

• It increases genetic variation among offspring.

• It reduces the chromosome number by half.

• It occurs during mitosis.

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DOK Level 2: Skill/Concept

How does mitosis contribute to the growth of an organism?

• By producing gametes

• By increasing the number of cells

• By reducing the chromosome number

• By creating genetic diversity

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DOK Level 1: Recall

Explain the role of mitosis in maintaining genetic stability.

• It produces genetically diverse cells.

• It ensures that each daughter cell receives an identical set of chromosomes.

• It reduces the chromosome number by half.

• It allows for crossing over and recombination.

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DOK Level 2: Skill/Concept

Which of the following best describes the outcome of meiosis?

• Two diploid cells

• Four haploid cells

• Two haploid cells

• Four diploid cells

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DOK Level 1: Recall

Compare the importance of mitosis and meiosis in the life cycle of an organism.

• Mitosis is important for sexual reproduction, while meiosis is important for growth and repair.

• Mitosis produces genetically diverse cells, while meiosis produces identical cells.

• Mitosis is important for growth and repair, while meiosis is important for sexual reproduction.

• Mitosis reduces chromosome number, while meiosis maintains chromosome number.

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DOK Level 2: Skill/Concept