Multiple choice

Which of the following is most likely to be a conservative mutation?

  1. CAA to TAA

  2. CCT to GCT

  3. ATA to AAA

  4. ATC to GTC

  5. CGA to TGA

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

With reference to the genetic code, the conversion of ATC to GTC is isoleucine to valine,  both are nonpolar amino acids. Therefore, this substation is most likely to be conservative.