The place of centromere where spindle fibres get attached is_________?
Correct answer: A. Kinetochore
- A. Kinetochore
- B. Kinochore
- C. Centromere region
- D. all of these
Explanation
The kinetochore is a protein-containing structure assembled at the centromere, and spindle-fibre microtubules attach to it during cell division. Students may choose the centromere region because the kinetochore is located there, but the centromere itself is the DNA region, not the direct spindle attachment structure.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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