| A | B |
|---|
| Gregor Mendel | Who studies different characteristics in genetics by CROSS-POLLINATING plants |
| genes | factors that control traits |
| hybrid | An organism that has two DIFFERENT alleles for a trait |
| TT | Shows an organism with two dominant alleles |
| Tt | An organism with at one dominant allele and one recessive allelle |
| probability | The likelihood that a particular event will occur |
| Punnett square | Shows all the possible outcomes of a genetic cross |
| phenotype | An organism's physical appearance |
| traits | Physical characteristics |
| genotype | An organism's genetic makeup |
| mitosis | When the cell's nucleus divides to produce two identical cells |
| meiosis | When a SEX cell divides and the number of chromosomes is reduced by half. |
