Table 12.16.
Yeast Gene Conventions
| Feature | Convention | Examples |
|---|---|---|
| Gene symbol | Three italic letters | ARG arg |
| Gene locus | Italicized number following the symbol | ARG2 |
| Dominant allele | Capitalized italic letter | ARG2 |
| Recessive allele | Lowercase italic letters | Arg |
| Allele designation | Italicized number following the locus number and a hyphen | Arg2-14 |
| Gene cluster | Italicize capital letter following the locus number | His4A his4B |
| Wild-type gene | Added plus symbol (sign) | ARG2+ |
| Gene conferring resistance or susceptibility | Superscript R or S, not italicized | CUPR1 |
| phenotype | same characters as gene symbol, but not italicized; superscipt + and – | arg− arg+ |