| A | B |
|---|
| genes | sections of chromosomes |
| DNA | chromosomes(and therefore genes) are made of this |
| A-T | adenine to thymine |
| C-G | cytosine to gyanine |
| double helix | the DNA coiled molecule shape |
| fertilization | when the egg and the sperm join |
| 46 | total number of chromosomes in each human cell |
| 23 | number of chromosomes given by each human parent |
| chromosome number | is the total amount of chromosomes in each of an organism's body cell |
| sex cells (the egg and sperm) | half the chromosome number |
