In animal cells during prophase

In animal cells during prophase - extend out from opposite...

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In animal cells during prophase, microscopic bodies called the  centrioles  begin to migrate to opposite sides of the cell.  When the centrioles reach the poles of the cell, they produce, and  are then surrounded by, a series of radiating microtubules called  an  aster.   Centrioles and asters are not present in most plant or fungal cells.  As prophase continues, the chromatids attach to spindle fibers that 
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Unformatted text preview: extend out from opposite poles of the cell. The spindle fibers attach at the region of the centromere at a structure called the kinetochore, a region of DNA that has remained undivided. Eventually, all pairs of chromatids reach the center of the cell, a region called the equatorial plate....
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This note was uploaded on 12/07/2011 for the course BIOLOGY bi 101 taught by Professor - during the Fall '10 term at Montgomery.

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