Modify the primer length

To modify the primer length:

1. Create or import primers or primer pairs.

2. From the Primer Design view, click on the Selection Mode tool ( ) at the top left of the window.

3. Do any of the following:

• • Use the mouse to drag one or both handles at the ends of each primer in either direction.
    
    
    
    
  • Select a base at either end of the primer and press the Delete key.
    
    
  • Select a base at either end of the primer and press the Ctrl/Cmd key while pressing the left or right arrow keys on the keyboard.