Chapter 9 Study Terms - Chapter 9 Study Terms 1....

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Chapter 9 Study Terms 1. Chromosome : In bacteria and viruses, the DNA molecule that contains most or all of the genetic information of the cell or virus. In eukaryotes, a structure composed of DNA and proteins that bears part of the genetic information of the cell. 2. Chromatid : Each of a pair of new sister chromosomes from the time at which the molecular duplication occurs until the time at which the centromeres separate at the anaphase of nuclear division. 3. Homolog or homologous : One of a pair (or larger set, of chromosomes) having the same overall genetic composition and sequence. In diploid organisms, each chromosome inherited from one parent is matched by an identical (expect for mutational changed) chromosome—its homolog—from the other parent. 4. Cell Division Phases : a. Prophase : The first stage of nuclear division, during which chromosomes condense from diffuse, threadlike material to discrete, compact bodies. b.
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This note was uploaded on 04/02/2008 for the course BIO 181 taught by Professor Jorstad during the Fall '07 term at University of Arizona- Tucson.

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Chapter 9 Study Terms - Chapter 9 Study Terms 1....

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