| A | B |
| Gametes | egg cells and sperm cells |
| Somatic cells | body cells |
| Germ cells | cells in your reproductive organs |
| homologous chromosome | 2 chromosomes - 1 from mom and 1 from dad - same size and have copies of same genes |
| sex chromosomes | control the sex of an organism |
| autosomes | the other 22 pairs of chromosomes - not sex chromosomes |
| fertilization | when the egg and the sperm actually combine |
| haploid | have 1 copy of each chromosome -ex. sex cells |
| diploid | have 2 copies of each chromosome - 1 from mom and 1 from dad -ex. body cells |
| meiosis | a process that divides a diploid cell into a haploid cell - go through 2 rounds of division |
| chromatids | each half of a duplicated chromosome |
| centromere | the place where the sister chromatids are held together |
| telomere | ends of chromatid |
| duplication | the process of doubling, or copying |
| division | separating |
| cycle | a pattern of events that is repeated |
| mitosis | cell division |