| A | B |
|---|
| gametes | is the general name for reproductive cells |
| gel electrophoresis | technique used to analyze DNA by sorting DNA fragments according to their response to an electrical field |
| genetic engineering | genes, or pieces of DNA are taken from one organism and transferred to another organism |
| genetic recombination | resulting offspring show new combinations of traits inherited from both parents |
| genetics | the study of how characteristics are transferred from parent to offspring |
| genotype | the genetic makeup of an organism or a group of organisms |
| geologic time scale | a time scale used by scientists to represent changes in organisms and environments over time |
| glycolysis | the first series of steps in aerobic respiration to release stored energy within the cell |
| Golgi vesicles | organelles that attach carbohydrates (sugars) and lipids (fats) to proteins |
| gradualism | the theory that evolution occurs slowly over a long period of time |
| graduated cylinder | a piece of scientific equipment used to measure the volume of liquids accurately and carefully |
| guanine | a nitrogenous base found in DNA and RNA which is complementary to cytosine |
| half-life | the amount of time needed for one-half of a radioactive element to decay |
| haploid number | number of chromosomes found in a sex cell |
| herbivore | an organism that feeds on plants |
