With Respect to CpG Islands in Our Genomic DNA, Which

Multiple Choice

With respect to CpG islands in our genomic DNA, which, if any, of the following descriptions do not apply?

A) frequently occurring (there are about 30,000 in the human genome) .
B) long DNA sequences (typically from 10 kb to 100 kb in length) .
C) low CG dinucleotide frequency.
D) frequently associated with transcriptional start sites.