This step produces a mixture of newly synthesized DNA strands that differ in length by a single nucleotide. Each strand is labeled at the 3′ end with a fluorescently labeled ddNTP base.

Each of the four ddNTPs in the tube is labeled with a different fluorescent ... these determinations is learning the nucleotide sequences of the DNA segments under study. Another area of science ...

Nucleotide (nt) database, a vast repository of DNA sequences from across all known species. Nucleotide databases like NCBI nt have a broad range of applications, from diagnosing infection and tracking ...