Question

Which of the following is incorrect about a microarray?

(a) It is a slide attached with a high-density array of immobilized DNA oligomers representing the entire genome of the species under study

(b) Array of immobilized DNA oligomers cannot be cDNAs

(c) Each oligomer is spotted on the slide and serves as a probe for binding to a unique complementary cDNA

(d) It is the most commonly used global gene expression profiling method

The question was asked during an interview.

The doubt is from Microarray-Based Approaches topic in section Functional Genomics & Proteomics of Bioinformatics