| A | B |
|---|
| heredity | the passing of traits from parent to offspring |
| allele | the different forms a gene may have for a trait |
| genetics | the study of how traits are inherited |
| dominant | form of a trait that appears to mask another form of the same trait |
| recessive | form of a trait that seems to disappear in a population, but can reappear |
| Punnett square | tool used to predict results in Mendelian genetics |
| genotype | genetic makeup of an organism |
| homozygous | organism with two identical alleles for a trait |
| hetrozygous | organism with two different alleles for a trait |
| phenotype | physical trait that shows as a result of a particular genotype |
| incomplete dominance | production of a phenotype that is intermediate to those of the two homozygous parents |
| Gregor Mendel | father of genetics |
| polygenic inheritance | when a group of gene pairs act together to produce a single trait |
| sex-linked gene | an allele inherited on a sex chromosome |
| pedigree | tool for tracing the occurrence of a trait in a family |
| genetic engineering | methods for changing the DNA sequence that makes up a gene |
| probability | branch of mathematics that helps you predict the chance that something will happen |
| purebred | organism that always produces the same traits in its offspring |
