What does detection of a fluorescent signal from one of the spots of a DNA microarray indicate?
A) The probe hybridized to the sequences present in that spot
B) The probe did not hybridize to that particular gene
C) The experiment was not conducted correctly
D) That the probe was non-specifically trapped by the material present in the spot.

Question

Quizplus · Accepted Answer

Detection of a fluorescent signal from one of the spots on a DNA microarray indicates that the probe hybridized to the sequences present in that spot. The presence of the signal suggests that the gene represented by the spot was expressed in the sample being analyzed.

What Does Detection of a Fluorescent Signal from One of the Spots