Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Identification of polymorphism at low level of target DNA. The primer extension assay was conducted with ThermoSequenase as described in Methods in the presence of 10 μm ddNTPs. (A) Forty nanomolar target sequence; (B) 1 nm target sequence; (C) 400 pm target sequence.
