Describe the role of cell division

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1. Scientists often extract DNA from the nucleus of cells for analysis or use. This process breaks the cell membrane, spins the solution to remove the large particles through high g-force, adds alcohol to make the DNA less soluble aqueous solution, then spins the solution again to pull the DNA out of solution.

Consider a cell in metaphase compared to a cell in rest (not in the cell cycle leading to cell division). What properties of a metaphase cell might let you extract more DNA compared to the resting cell? Are there any that might make the extraction more difficult?

2. What would happen to offspring if gametes were produced by mitosis?

3. What would happen to your skin cells if they were produced by meiosis?

4. Describe the role of cell division in at least one of the following areas of biology:

  • l Stem cell research
  • l Cell cloning for organ replacement therapies
  • l Cancer (see the DNA LC's video on tumor growth for a hint: https://dnalc.cshl.edu/resources/3d/31-tumor-growth.html)

Reference no: EM132932382

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