Assertion: chromosome's sequence | /r/HasProperty | small fraction of the genome
Facets:
value: very
type: DEGREE
Source sentences:
text: Protein-coding sequences account for only a very small fraction of the genome (approximately 1.5%), and the rest is associated with non-coding RNA genes, regulatory DNA sequences, LINEs, SINEs, introns, and sequences for which as yet no function has been determined.