| A | B |
|---|
| DNA | strands of genetic material |
| Gene | a section of DNA that determines specific characteristics |
| Heredity | the passing of traits from parents to offspring |
| Dominant gene | genes that show their effect even if there is only one copy of that gene in the pair |
| Recessive gene | a gene that presents itself only if is on both chromosomes in the pair |
| Achondroplasia | a form of dwarfism |
| Marfan syndrome | a connective tissue disorder |
| Huntington's Disease | degenerative disease of the nervous system |
| Carrier | people who have one recessive gene for a disease |
| Cystic fibrosis | a lung disease marked by increased mucous |
| Sickle Cell Anemia | a disease of misshaped red blood cells |
| Hemophilia | a bleeding disorder found only on the x chromosome |
| Color blindness | an x linked disorder found predominately in men |
| Down Syndrome | a disorder of mental retardation caused by an extra 21 chromosome |
| Genetic testing | a sample of fluid to check for s&s of genetic diseases |
| Congenital disorder | defects of damage in a developing fetus |
| Teratogen | a substance that causes birth defects |
| Human Genome Project | a map of the entire human genetic material |
