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ch 8 se1
ch 8 sec 1
| Question | Answer |
|---|---|
| Chromosome | in a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA |
| Histone | a type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells |
| Chromatid | one of the two strands of a chromosome that become visible during meiosis or mitosis |
| Centromere | the region of the chromosome that holds the two sister chromatids together during mitosis |
| Chromatin | a type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells |
| Sex Chromosome | one of the pair of chromosomes that determine the sex of an individual |
| Autosome | any chromosome that is not a sex chromosome |
| Homologous Chromosome | chromosomes that have the same sequence of genes, that have the same structure, and that pair during meiosis |
| Karyotype | an array of the chromosomes found in an individual’s cells at metaphase of mitosis and arranged in homologous pairs and in order of diminishing size |
| Diploid | a cell that contains two haploid sets of chromosomes |
| Haploid | describes a cell, nucleus, or organism that has only one set of unpaired chromosomes |