| -Steps- | -Expected behavior- |
|---|---|
| Upload JSON | Load gene arrows schematics |
| Click in one arrow | color it in black and stroke becomes red |
| lower the slider | color other arrows in black |
| Click in one arrow again | stroke becomes black |
| Click in another arrow | color it in black and stroke becomes red |
| change color to red | color selected arrow in red |
| lift the slider | color should go back to blank |