Biology for IGCSE & O level - Inheritance (Section 1 - No. 6)
What is a codon?
A three-base sequence of DNA that codes for an amino acid.
A three-base sequence of mRNA that codes for an amino acid.
A three-base sequence of tRNA that codes for an amino acid.
A three-base sequence of rRNA that codes for an amino acid.
Explication
A codon is a three-base sequence on mRNA that specifies an amino acid.