Asked Mar 7, 2020

 Highlight the similarities and differences between mitosis and meiosis.

 What is the relevance of meiosis?


Expert Answer

Step 1

Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division is of two types mitosis and meiosis. 

Step 2

The similarities between the mitosis and meiosis are:

  1. both produce new cells
  2. both follow the same steps: prophase, metaphase, anaphase, and telophase.
  3. both begin with one parent cell.

The differences between mitosis and meiosis are:

Mitosis Meiosis
Occurs in all organisms, except viruses Only occurs in animals, plants, and fungi
Creates body/somatic cells Creates body/somatic cells
One cell division ( 4 stages total) Two cell divisions (8 stages total)
No recombination/crossing over in prophase Recombination/crossing over of chromosomes during prophase I
During metaphase, individual chromosomes line up on cell’s equator During metaphase I, pairs of chromosomes line up on cell’s equator
During anaphase, sister chromatids move to opposite ends of the cell
During anaphase I, sister chromatids move together to the same cell pole.
During anaphase II, sister chromatids are separated to opposite ends of the cell
End result: two daughter cells

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