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Graphical representation of CGH array - What does log2 ratio mean? (May/03/2010 )

The Y-axis of a typical genome plot shows the DNA copy number variation, mostly as log2 ratio. Who can explain what the log2 ratio is?

-Inmost sun-

Here's a good explanation.
Attached File

-epibio-

epibio on May 3 2010, 06:18 PM said:



I see, thank you very much :D

-Inmost sun-