Biology for IGCSE & O level - Inheritance (Section 3 - No. 34)
What are some key aspects of the genetic code?
It is a triplet code, with each codon made of three bases.
It is universal, shared by almost all living organisms.
Some codons signal the start or stop of protein synthesis.
It is made up of 20 different amino acids.
Forklaring
The genetic code's triplet nature, universality and use of start and stop codons are key features, whilst there are more than 20 amino acids involved.