| A | B |
|---|
| character | an inheritable feature |
| trait | a genetically determined characteristic |
| hybrid | the result of a cross between two heterozygotes |
| generation | the offspring from a given group of parents |
| allele | different forms of one gene |
| dominant | the allele that is fully expressed when it is present |
| recessive | the allele that is expressed if no dominant allele is present |
| genotype | the genetic makeup of an individual |
| phenotype | what an individual looks like |
| homozygous | having two copies of the same allele |
| heterozygous | having a dominant and a recessive copy of an allele |
| punnet square | a graphic used to predict the results of a genetic cross |
| probability | the chance of some event occurring |
| pedigree | a diagram showing the occurrence of trait(s) in many generations |
| genetic disorder | an inheritable disorder caused by a mutation or a chromosomal defect |
| polygenic character | a characteristic influenced by multiple genes |
| codominance | both alleles are fully expressed |
| linked | two or more genes are always transmitted together |
| X-linked | a trait that is associated with the X chromosome |
| sex linked | a trait that is associated with males or females |
