| A | B |
| marasmus | wasting away |
| zygote | 1st conception |
| embryo | inbetween zygote & fetus |
| instinct | inborn response |
| premoral | another word for amoral |
| psychopath | a person who feels no guilt for actions |
| hedonist | a person who just wants to have fun |
| idealist | a person who wants to help the world |
| conventionalist | a person who follows the rules |
| egocentrism | thinking self is center of world |
| Trisomy 21 | the chromosome responsible for Down's Syndrome |
| DNA | your genetic code |
| PKU | a prenatal disorder that will cause retardation |
| Dizygotic | twins that are not fraternal |
| Monozygotic | twins that are fraternal |
| Human Genome Project | trying to map the human genes |
| gang age | time when your friends are your main influencers |
| sex-role | the learned way to act based on male or female |
| enuresis | bed-wetting |
| maturation | the physical development of a human |