| A | B |
|---|
| gametes | male and female sex cells |
| monohybrid cross | study one trait |
| F1 generation | offspring of two original, true-breeders |
| Gregor Mendel | known as "Father of Heredity" |
| phenotype | physical appearance |
| Punnett Square | used to determine probability of a trait |
| F2 generation | offspring of two F1 generation parents |
| fertilization | occurs when male gamete unites with female gamete |
| recessive trait | represented by lowercase letter; "weaker" |
| cross pollination | female plant organ dusted with pollen from male organ of a different plant |
| gene | segment of DNA that controls protein production |
| hybrid | offspring of parents that have different forms of a trait |
| traits | inherited characteristics |
| heredity | passing on of characteristics from parents to offspring |
| P1 generation | original, true-breeding individuals |
| dominant traint | represented by uppercase letter; "stronger" or observed |
| genetics | branch of biology that studies heredity |
| dihybrid cross | study two different traits |
| alleles | different forms of a gene |
| genotype | genetic make-up of an organism |
| pollination | transfer of pollen from stamen to pistil in a plant |
| zygote | fertilized cell; develops into seed or embryo |
| homozygous | two alleles for a trait are the same |
| heterozygous | alleles for a trait are different |
