Question: what are cpg islands chegg?
Answer: Chegg.com. What is a CpG island? ... CpG (cytosine-phosphate-guanine) refers to a dinucleotide of Cytosine and Guanine connected via a phosphodiester bond. Island or groups of CpG can be 1000 to 2000 bps (base pairs) long and have a huge number of CpG sites.