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.
Ladder: Molecular Weight Marker, GeneRuler; lanes 1–21: biopsy samples; H2O: negative control and C+: HeLa DNA (positive control). In samples 1–8 and 10–21, a band corresponding to the amplicon of the GAPDH gene (586 bp) is observed.
