What is the disc-shaped structure found on th | vedclass

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(A) The $centromere$ is the region of a chromosome where the two sister chromatids are held together.On the surface of the $centromere$,there are smal

Vedclass · Accepted Answer

Kinetochores

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(A) The $centromere$ is the region of a chromosome where the two sister chromatids are held together.On the surface of the $centromere$,there are small disc-shaped structures present,which are known as $kinetochores$.These $kinetochores$ serve as the sites of attachment for spindle fibers during cell division (mitosis and meiosis),allowing the chromosomes to move toward the poles.

What is the disc-shaped structure found on the surface of the centromere called?

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Which is the correct option for '$a$' indicated in the figure?

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The given diagram shows the types of chromosomes (labelled as $A, B, C$ and $D$) based on the position of the centromere. Which one is the correct option for the labelled chromosomes $A, B, C$ and $D$?

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