Overlapping versus nonoverlapping codes For an overlapping code, consecutive amino acids are encoded in the mRNA by codons that share some consecutive bases; for example, the last two bases of one codon may also be the first two bases of the next codon. Overlapping codons are shown in the upper part of Figure 10-24.Click to see full answer. Keeping this in view, what is a non overlapping code?The genetic code is composed of nucleotide triplets. In other words, three nucleotides in mRNA (a codon) specify one amino acid in a protein. The code is non-overlapping. This means that successive triplets are read in order. Each nucleotide is part of only one triplet codon.Secondly, do codons overlap? codon. A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during protein synthesis. When codons are read from the nucleotide sequence, they are read in succession and do not overlap with one another. Similarly, you may ask, why would an overlapping genetic code be restrictive? An overlapping code constrains protein structure because certain amino acids would always be followed by the same amino acids in every protein.What are overlapping fragments of DNA?DNA molecules can also be assembled from overlapping restriction fragments. The noncomplementary partial restriction sites will be removed during recombination and form a contiguous piece of DNA without intervening sequence. DNA fragments are often assembled with a vector to form a circular product.