Question

The kinetochore is a proteinaceous disc attached to the centromere

During interphase the chromosomes appear as extended fine thread like stainable structures called chromatin threads

The somatic cells contain one set of chromosomes which represent the diploid number (2n).

The number of chromosomes present in gamete is said to represent one complete set and is called haploid number which is represented by ‘n​

Answer 1

Answer:

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Explanation:

In metaphase discontinuous fibres radiate out from two spindle poles and get connected to the disc shaped structure at the surface of the centromere called kinetochores. These are called chromosome fibres or tractile fibrils.