science
Grade-10
Easy
Question
________are repetitive stretches of DNA present at the ends of linear chromosomes.
- Pores
- Hexomere
- Telomeres
- Monomers
Hint:
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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