| Term | Definition |
|---|
| Mitosis | cell division in which the nucleus divides into nuclei containing the same number of chromosomes |
| Meiosis | cell division that produces reproductive cells in sexually reproducing organisms |
| Chromosomes | threadlike structures made of DNA molecules that contain the genes |
| Homologous Chromosome | one of a matching pair of chromosomes, one inherited from each parent |
| Chromatin | the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins |
| Chromatids | two identical chromosomes that split and contain the same genetic material |
| Centriols | animals only - aid in cell division |
| Centromere | a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape |
| Sister chromatids | two daughter strands of a replicated chromosome joined at the middle by a centromere |
| Centrosomes | clouds of cytoplasmic material that in animal cells contain centrioles |
| Genes | the biochemical units of heredity that make up the chromosomes; a segment of DNA capable of synthesizing a protein |
| Diploid | an organism or cell having two sets of chromosomes or twice the haploid number |
| Haploid | an organism or cell having only one complete set of chromosomes |
Combine with other sets
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