20. The "intergenic" parts of the human genome (i.e., the portion of the genome that does not encosde
proteins or structural RNAs) consist of which types of DNA sequence
(A) genome-wide repeats, microsatellite DNA, and regulatory sequences
(B) introns, gene fragments, and pseudogenes
(C) genome-wide repeats, pseudogenes, and microsatellite DNA
(D) introns, regulatory sequences, and microsatellite DNA