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.
Collinear analysis for the NtbHLH gene family in tobacco. The annulus represents chromosomes of tobacco (Nicotiana tabacum), and scale on the annulus is labeled in megabases (Mb). Homoeologous genes are linked by lines. The figure was generated and modified using the Circus program.
