| A | B |
| genetics | the study of heredity(delivery of characteristics from parent to offspring) |
| fertilization | male and female reproductive cells join in a process to produce a new cell |
| gamete | sex cells (egg and sperm) |
| Punnett Square | diagram that uses mathematical probability to help predict the genotype (gene) and phenotype (physical) combinations in genetic crosses |
| Incomplete dominance | one allele is not completely dominant over another |
| Codominance | phenotypes (physical traits) are clearly expressed. |
| Sex chromosone | 2 of the 46 chromosones that determine an individual's sex |
| Autosome | the remaining 44 chromosones from the total 46 chromosones minus the 2 sex chromosones |