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Biology Chapter 8

Biology Chapter 8 Section 1

TermDefinition
autosome any chromosome that is not a sex chromosome
chromatid one of the 2 strands of a chromosome that become visible during meiosis or mitosis
centromere the region of chromosome that holds the two sister chromatids together during mitosis
chromatin a portion of the cell nucleus made up of DNA and proteins; it is the carrier of the genes in inheritance
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
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
histone a type of protein molecule found in the chromosomes of eukaryotic cells but not prokaryotic cells
homogenous chromosome chromosomes that have the same sequence of genes, that have the same structure and that pair during meiosis
sex chromosome one of the pair of chromosomes that determine the sex of an individual
Created by: cordier.marie
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