Meiosis & Heredity Review: HONORS

Which of the following accurately depicts the phases of the cell cycle in order?

• Interphase, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis

• Prophase, Interphase, Metaphase, Anaphase, Telophase, Cytokinesis

• Interphase, Metaphase, Prophase, Anaphase, Telophase, Cytokinesis

• Interphase, Prophase, Metaphase, Anaphase, Cytokinesis, Telophase

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SELECT ALL THAT APPLY: Which of the following are steps of interphase?

• G1

• S

• G2

• Mitosis

Quan gets a cut on his finger. After several days, it heals. In which process were new skin cells made to heal his finger?

• Meiosis

• Interphase

• Mitosis

• Apoptosis

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The image above shows a sample of cells in an onion root. What process is occurring?

• Meiosis

• Mitosis

• Independent Assortment

• Crossing Over

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Cancer cells are body cells that have begun to divide quickly and uncontrollably. Which process has malfunctioned in cancer cells?

• Mitosis

• Meiosis

• Diffusion

• Metaphase

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Dogs have 39 chromosomes in their gametes. How many chromosomes must they have in their skin cells?

• 39 chromosomes

• 78 chromosomes

• 23 chromosomes

• 46 chromosomes

Which of the following BEST explains why meiosis is necessary for sexual reproduction?

• Meiosis increases the chance of fertilization because it produces 4 daughter cells

• Meiosis results in offspring with genotypes that are not exact copies of the parents

• Meiosis allows chromosomes to exchange genetic material through crossing over

• Meiosis makes it possible for the zygote to have the correct number of chromosomes

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Which of the following statements is true for mitosis and meiosis?

• Mitosis produces 2 diploid cells, while meiosis produces 4 haploid cells

• Mitosis produces 4 diploid cells, while meiosis produces 2 haploid cells

• Mitosis produces 2 haploid cells, while meiosis produces 4 diploid cells

• Mitosis produces 4 haploid cells, while meiosis produces 2 diploid cells

The diagram above shows a process that occurs during meiosis. Which of the following best explains how this process contributes to genetic variation?

• Crossing over of homologous chromosomes allows exchange of genes

• Independent assortment results in a random number of chromosomes from each parent

• Fertilization results in offspring that have a combination of traits from each parent

• Mutations result in the emergence of new traits in a population

In meiosis, chromatids might sometimes separate incorrectly, resulting in gametes that have 22 or 24 chromosomes, instead of 23. Which process is being described in this scenario?

• Crossing Over

• Independent Assortment

• Nondisjunction

• Fertilization