Activity 3
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Activity 3. Mitosis and Asexual Reproduction. Read the Introduction. Asexual reproduction takes only one parent to produce offspring. Mitosis occurs when a single cell divides to produce two identical daughter cells. Challenge.

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Activity 3

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Activity 3

Mitosis and Asexual Reproduction


Read the Introduction

  • Asexual reproduction takes only one parent to produce offspring.

  • Mitosis occurs when a single cell divides to produce two identical daughter cells.


Challenge

  • If a genetically modified cell undergoes mitosis, how likely is it that the daughter cells will contain the inserted gene?


As you watch the simulation, in each phase of mitosis note the chromosomes’:

  • shape

  • position within the cell

  • movement within the cell


Modeling one pair of duplicated chromosomes


What is the probability that a daughter cell will receive an inserted gene from a genetically modified parent cell that undergoes mitosis?

  • In your discussion include:

    • chromosomes

    • parent cell

    • daughter cell

    • gene


Analysis 3

  • A friend of yours claims that every genetically modified single-celled organism that reproduces asexually would pass along the inserted gene to its daughter cells. Based on your work in this activity, is that claim valid? Explain.


Revisit the Challenge

  • If a genetically modified cell undergoes mitosis, how likely is it that the daughter cells will contain the inserted gene?


Key Vocabulary

  • asexual reproduction

  • centrioles

  • centromere

  • chromatid

  • chromosomes

  • cytokinesis

  • daughter cell

  • mitosis

  • parent cell


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