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Mendelian Genetics
| Term | Definition |
|---|---|
| gene | |
| locus | |
| mutation | any change in a gene |
| allele | any "version" of a gene |
| genotype | genetic composition of an individual |
| phenotype | characteristics of an organism that are a result of the expression of its genes |
| homozygote | |
| heterozygote | |
| dominant | displayed trait |
| recessive | masked trait |
| monohybrid cross | crosses that differ in a SINGLE trait |
| dihybrid cross | crosses that differ in two traits |
| test cross | reveals unknown genotype |
| Punnett diagram/branching diagram | way to predict the outcome of simple genetic crosses |
| phenotypic ratio | |
| genotypic ratio | |
| independent assortmant | paired unit factors assort independently from other unit factors during gamete formtaion |
| true-breeding | |
| P generation | parental generation |
| F1 generation | first filial generation |
| F2 generation | second filial generation |