TLS Online TPP Program

#Question id: 4671


CpG island promoters are methylated at position 5 of the pyrimidine ring. CG sequences are thought to be underrepresented in mammalian genomes because

#Unit 3. Fundamental Processes
  1. spontaneous deamination of 5-methyl C generates thymidine

  2. spontaneous deamination of 5-methyl C generates uracil

  3. spontaneous deamination of 5-methyl C generates inosine

  4. spontaneous amination of 5-methyl C generates uracil