The type of genetic mutation that involves the substitution of a purine with a pyrimidine or vice versa (or the replacement of one type of base with another type of base) is known as:

  • A
    Transition
  • B
    Transversion
  • C
    Translocation
  • D
    Transcription

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Identify the following point mutations in $mRNA$: $UAU\ ACC\ UAU$ to $UAU\ AAC\ CUA$ and $UUG\ CUA\ AUA$ to $UUG\ CUG\ AUA$.

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