22-Layer Advanced miniDNA™ Model
Product Number: SB42166
In Stock (Ships within 1-2 business days)
Grade 9 and up. Shows all of the major and minor grooves. Can also be used to demonstrate replication. Features 22 base pairs comprised of: 11 each of thymine (orange), adenine (blue), guanine (green), and cytosine (yellow). Side chain: 44 each of deoxyribose (red) and phosphate (purple). Approximate dimensions: 4-5/16 in. x 17-5/16 in. Includes stand. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs.