A chromosome is a structure of DNA, protein, and RNA found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences. Chromosomes also contain DNA-bound proteins, which serve to package the DNA and control its functions. Chromosomal DNA encodes most or all of an organisms genetic information; some species also contain plasmids or other extrachromosomal genetic element
Posted on: Sat, 15 Mar 2014 15:05:06 +0000