science
Grade-10
Easy

Question

________are repetitive stretches of DNA present at the ends of linear chromosomes.

  1. Pores
  2. Hexomere
  3. Telomeres  
  4. Monomers

hintHint:

Has name similar to the stage in cell division when the spindle fibers disappear.

The correct answer is: Telomeres


    • Telomere refers to the repetitive sequence of nucleotides present at the terminus of a chromosome
    • They prevent the ends of the chromosome to become tangled
    • Telomeres are required for cell division
    • Telomeres reduce in size with every cycle of replication (until cells can divide)

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