TLS Online TPP Program

#Question id: 5829


Transitions are base pair substitutions where:

#Unit 8. Inheritance Biology
  1. replacement of a purine with a pyrimidine

  2. replacement of a pyrimidine with a purine

  3. deletion of a purine or a pyrimidine

  4. replacement of a purine with a purine or a pyrimidine with a pyrimidine