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chapter 8 section 1

chromosomes

TermDefinition
chromosomes in a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, teh main ring of DNA
histone a type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
chromatid one of teh two strands if a chromosome that become visible during meiosis or mitosis
centromere the region of the chromosome that holds the two sister chromatids together during mitosis
sex chromosomes one of the pair of chromosomes that determine teh sex of an individual
autosome any chromosome that is not a sex chromosome
homologous chromosomes chromosomes that have the same sequence of genes, that have the same structure, and that pair during meiosis.
karyotype a micrograph of the array of chromosomes visible in a cell during metaphase; a graphical display that shows an individual's chromosomes 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
Created by: campbellm19
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