This DNA model shows all the major and minor grooves. It can be used to demonstrate replication. It features 22 base pairs comprised of 11 each of thymine (orange), adenine (blue), guanine ( green), and cytosine (yellow). Side chain is comprised of 44 each of deoxyribose (red) and phosphate (purple). Approximate dimensions: 4 5/16" x 17 5/16". Includes a stand for display. Not intended for young children. Adult supervision required. |