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Ch.8 Section 1 Vocab
Ch. 8 Section 1 Vocab
| Term | Definition |
|---|---|
| Chromosome | Rod-shaped structures made of DNA and proteins. |
| Histone | A type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells. |
| Chromatid | Each half of a chromosome is called this. |
| Centromere | Where the two chromatids meet. |
| Chromatin | The less tightly coiled DNA-protein complex. |
| Sex Chromosome | Chromosomes that determine the sex of an organism and may also carry other genes for other characteristics. |
| Autosome | All the other chromosomes in an organism. |
| Homologous Chromosome | The two copies of each autosome. |
| Karyotype | An array of chromosomes visible in the cell during metaphase. |
| Diploid | Cells having two sets of chromosomes. |
| Haploid | Cells that only contain one set of chromosomes (sperm cells and egg cells. |