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cell division
pg. 151
| Question | Answer |
|---|---|
| centromere | Two chromatids are attached using this. |
| chromatid | Each half of the chromosome is called this. |
| histones | Proteins that DNA coils around. |
| chromatin | The less tightly coiled DNA-protein complex that appears when DNA is preparing to replicate. |
| chromosomes | Rod-shaped structures made of DNA and proteins. |
| sex chromosomes | These can be either X or Y in many organisms. |
| autosomes | In the human, 44 of the 46 are these. |
| homologous chromosomes | Two copies of each autosome are said to be this. They are the same size, shape, and carry the same genes. |
| karyotype | A photomicrograph of the chromosomes in a normal dividing cell. |
| diploid | Cells having two sets of chromosomes. |
| haploid | Sperm and egg cells are said to be this since they only have one chromosome of each homologous pair and only one sex chromosome. |