The minimum requirement for a mutation is a change in:

  • A
    $A$ change in a triplet codon
  • B
    $A$ change in a single nucleotide
  • C
    $A$ change in the entire $DNA$ sequence
  • D
    $A$ change in a single strand of $DNA$

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Which of the following structures is correct for $DNA$?

Select the option that represents the organisms in ascending order of their $DNA$ length.

The octamer that forms a complex unit with $DNA$ is called:

Repetitive $DNA$ is separated from bulk genomic $DNA$ by which of the following techniques?

The molecular effect of ultraviolet light is primarily mediated by:

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