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.
Differential gene expression in control vs. +21 fetal hearts. Tissue samples were obtained from fetal hearts at 15 to 23 weeks gestation. Results from supervised hierarchical clustering of the U95A microarray data are shown; with statistical criteria for selecting the genes indicated at the top (ANOVA, see Methods) and the expression values displayed as in Figure 1.
