| (a) | |||||
|
| A adenine | G guanine | C cytosine | ||
| A adenine | asparagine Asn | diaminobutyric acid Dab | homoserine Hsr | ||
| G guanine | aspartic acid Asp | glycine Gly | alanine Ala | ||
| C cytosine | glutamine Gln | ornithine Orn | proline Pro | ||
| (a) | |||||
|
| G guanine Gua | C cytosine Cyt | |||
| G guanine Gua | glycine Gly | alanine Ala | |||
| C cytosine Cyt | ornithine Orn → arginine Arg | proline Pro | |||