| A | B |
|---|
| sperm and egg | sex cells |
| inherited physical appearance | phenotype |
| inherited combination of genes | genotype |
| forms of a gene | allele |
| passing traits from parent to offspring | heredity |
| trait that always appears | dominant |
| trait that recedes (hides) | recessive |
| set of instructions from parents | genes |
| sexual cell division that produces sex cells | meiosis |
| 2 of same alleles | homozygous |
| 2 different alleles | heterozygous |
| 2 parents or 2 plants to create offspring | cross-pollination |
| maps out possible offspring | Punnett square |
| studied heredity in pea plants | Gregor Mendel |
| carries genes that determine sex of the offspring | sex chromosomes |
| asexual cell division that produces body cells | mitosis |
