Final answer:
The portion of DNA that codes for a particular protein is called a gene. A gene consists of multiple triplets, which are three-nucleotide coding units. Each triplet codes for a specific amino acid.
Step-by-step explanation:
The portion of DNA that codes for a particular protein is called a gene.
A gene consists of multiple triplets, which are three-nucleotide coding units. Each triplet codes for a specific amino acid.