Question

During cell division, the spindle fibres attach to
the chromosome at a region called
(a) chromocentre (b) kinetochore
(c) centriole (d) chromomere

Answer 1

B) kinetochore
During metaphase the chromosome get attached to spindle fibre at kinetochore

Answer 2

Option B

During cell division, the spindle fibres attach to  the chromosome at a region called kinetochore

Explanation:

• The fundamental characteristic of metaphase is the accessory of spindle fibers to kinetochores of chromosomes.
• Kinetochores are disc-shaped construction at the cover of the centromeres.
• These constructions serve as the position of adjunct of spindle fibres to the chromosomes that are passed approaching poles.
• A kinetochore is a protein structure that develops on a chromatid through cell division and enables it to assign to a spindle fiber on a chromosome.
• Kinetochores also improve during cell division by producing sure that each new cell has one chromatid from specific pair.

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