Microarray Experiment Overview: The Data

If a gene is highly expressed in both samples, its spot will glow bright yellow—the combination of red and green light.

The final data consist of thousands of differently colored dots that somehow must be interpreted.

A microarray with spots in various shades of green, red, and yellow. Next to it from left to right is a red spot, a plus sign, a green spot, an equal sign, and a yellow spot.