| A | B |
|---|
| DNA | deoxyribonucleic acid - blueprints of life |
| gene | segment of DNA coding for a particular trait |
| codon | sequence of 3 bases coding for one amino acid |
| nucleotide | subunit of DNA, composed of phosphate, sugar, base |
| adenine | base which pairs with thymine |
| thymine | base which pairs with adenine |
| guanine | base which pairs with cytosine |
| cytosine | base which pairs with guanine |
| amino acid | subunit of protein; 21 different kinds |
| mutation | "mistake" in the sequence of bases |
| substitution | mutation in which one base replaces another |
| protein | compound making up all the physical and biochemical structures in the body |
| deletion | mutation in which a base is left out of the sequence |
| insertion | mutation in which one base is added into the sequence |
| genome | all the genes in one cell |
| Chargaff's Law | A=T; C=G |
| Watson & Crick | Nobel prize winning scientist credited with discovering DNA's double helix structure |
| Rosalind Franklin | scientist who took first X-ray picture of DNA |
