| A | B |
| diploid | describes a cell that has pairs of chromosomes |
| DNA | genetic information in a cell |
| egg | female sex cell |
| fertilization | joining of an egg and sperm |
| haploid | describes a cell that has only one chromosome from each pair |
| homologous chromosome | pairs of chromosomes-one inherited from each parent-that have genes for the same traits arranged in the same order |
| meiosis | process in which one diploid cell divides to make haploid cells |
| sexual reproduction | production of offspring from the combination of genetic materials from two cells |
| sperm | male sex cell |
| zygote | new cell formed through fertilization |