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Where are chromosomes found in a cell?

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Quick Answer

Although most chromosomes are found in the nucleus of a cell, some are also found in the cell's mitochondria. These organelles are responsible for changing energy into a form the cell can use.

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Chromosomes are structures that carry an organism's DNA, which contains all of its genetic information. The number of chromosomes varies among types of organisms. For instance, a fruit fly has only four pairs of chromosomes while a dog has 39 pairs. A rice plant is in the middle with 12 pairs. A normal human cell has 23 pairs of chromosomes. Half of them were passed along by the mother and half by the father when the egg was fertilized by the sperm.

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