| A | B |
| autosome | chromosome that is not a sex chromosome |
| centromerre | region of chromosome where 2 chronetids are held together |
| chromatid | 1 of 2 identical parts in a chromosome |
| idploid haploid | cell that contains both chromosome of a homologous pair |
| homologous chromosome | 1 of 2 morphollgically similar chromosomes |
| sex chromosome | chromosome that determines sex |
| anaphase | pahse of mitosismeisos in which chromosomes separate |
| cleavage furrow | area of the cell membrane that pinches and eventually separates the dividing cell |
| cytokinesis | division of sytoplasm of 1 cell into 2 *** cells |
| interphase | period of cell growth and development that recedes elkoyotice cell division |
| meiosis | process of nuclear division that halves 4 of chromosomes in a cell |
| metaphase | 2nd phase of mitosis during which chromosomes move to cells equator |
| mitosis | eukaryotic nuclear division |
| prophase | 1st stage of mitosis andmeiosis characterized by condensation of chromosomes |
| telophase | final stage of mitosis during which a nuclear membrane forms around each set of new chromosomes |
| asexual reproduction | reproduction that does not involve a union of gametes |
| crossing-over | the exchange of genes by segments of homologous chromosomes during meiosis |
| oogenesis | the production of mature egg cells |
| polar body | a cell produced during the 2 meiotic divisions that yeild tha haploid egg |
| sexual reproduction | production of offspring from the genes of 2 parent organisms |
| spermatogenesis | the production of sperm cells |
| tetrad | group of 2 homologous chromosomes during meiosis |