click below
click below
Normal Size Small Size show me how
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. |