| A | B |
|---|
| A antigen | N acetylglucosamine |
| B antigen | galactose |
| C_D_E_ | Rh antigens or factors |
| roan horses | incomplete dominance |
| squash shapes | epistasis |
| Se( secretor) | Blood types in saliva |
| MN | Codminant |
| pleiotropy | one gene many phenotypes |
| genetic heterogenieity | many genes and one phenotype |
| Tay Sachs | delayed onset and lysosomal disease |
| Myotonic dystrophy | anticipation and triplet repeats |
| Bombay phenotype | Epistatic type O |
| AO | Type A blood |
| BO | Type B blood |
| AAhh | Type O blood |
| Brachydactyly | penetrance and expressivity |
| % of a gene that is expressed | Penetrance |
| Range of phenotypes from mild to sever | Variable expressivity |
| Agouti, chinchilla, and albino | multiple alleles |
| Phenotype the results of environmental effects | phenocopy |
| Marfan Syndrome | Pleiotropy due to fibrillin gene |
| Yellow mice YY | dominant lethal gene |
