I haven't gotten that far myself, but I have one strong recommendation: reduce the tutorial window to a little less than half size, and open the "USCS Genome Browser" (link is at the beginning of the Open Helix window from which you launch the tutorial). The Browser is the actual software you are learning to use. Reduce this to a window that will fit conveniently next to the tutorial window. Now you can pause the tutorial whenever you like and try out the controls, etc. that the tutorial is talking about.
Now go into the "gene" box near the top of the screen and type in "TP53" and hit the "Jump" button. This will put you in the same place in the genome that the tutorial is using for an example.
When you try out the arrow buttons for moving along the genome, notice how far arrow button moves you (I keep track by choosing an easy-to-recognize pattern and see where it is agains the top buttons. Also notice the position numbers at the top of the track. Notice how many bases are represented between the numbered points. Now use the single arrow buttons to put a recognizable pattern into the center of the viewer. Play with the zoom buttons to see how well the pattern stays centered. Notice that pushing the 10X button twice gets you down to single nucleotides. See, they really are there!
More later.
Now go into the "gene" box near the top of the screen and type in "TP53" and hit the "Jump" button. This will put you in the same place in the genome that the tutorial is using for an example.
When you try out the arrow buttons for moving along the genome, notice how far arrow button moves you (I keep track by choosing an easy-to-recognize pattern and see where it is agains the top buttons. Also notice the position numbers at the top of the track. Notice how many bases are represented between the numbered points. Now use the single arrow buttons to put a recognizable pattern into the center of the viewer. Play with the zoom buttons to see how well the pattern stays centered. Notice that pushing the 10X button twice gets you down to single nucleotides. See, they really are there!
More later.
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