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1. What are the thread like structures that attach to chromosomes called? 2. These threadlike structures...

  • 1. What are the thread like structures that attach to chromosomes called?
  • 2. These threadlike structures attach themselves to ______________ protein present on the _______________ of the chromosome.
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Answer #1

1). Spindle fibers.

Spindle fibers are thread-like structures, which attach to chromosomes. They pull sister chromatids to opposite sides of the cells.

2)  kinetochores; centromere.

The spindle fibers attach through kinetochore, which is a protein that is present on each side of the centromere of chromosome. They will move the chromosomes until they are lined up at the spindle equator.

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