Additional file 4:
Download video file (6.5MB, avi)
Video. A representative negative geotactic behavior of Canton-S flies in the tube-positioning assay under the cancellation condition (the near-zero GMF) (Fig. 1c). (AVI 6674 kb)
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.