Chromosome
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Chromosomes are components of a cell that contain genetic information. Each chromosome contains numerous genes. Chromosomes occur in pairs: one obtained from the mother; the other from the father. Chromosomes of different pairs are often visibly different from each other.
[edit] See also
Cromosomes also look like the letter "X" when they are together. when they are seperated they look like a big stringy mess. they are called chromotin when they are seperated. This X is called a double helix.
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