| A | B |
| genes | one set of instructions for an inherited trait |
| alleles | one of the alternative forms of gene that governs a characteristics, such as hair color |
| phenotype | an organisms appearance or other detectable characteristic |
| genotype | the entire genetic makeup of an organisms :also the combination of genes for one or more specific traits |
| probability | a chance that something will happen |
| homologous chromosomes | chromosomes that have the same sequence of genes and he same strusture |
| diploid | a cell that contains two haploid sets of chromosomes |
| haploid | a cell that does not have homologous chromosomes is called haploid |
| meiosis | a copying process process that produces cells that have the usual numbers of chromosomes |