The DNA in a cell is primarily located in the nucleus, which is often referred to as the control center of the cell. The nucleus houses the cell’s genetic material – the DNA – organized into structures called chromosomes. In eukaryotic cells, such as those found in plants and animals, the nucleus is surrounded by a double membrane, known as the nuclear envelope, which protects the DNA and regulates the passage of molecules in and out of the nucleus.
In addition to the nucleus, there is also a small amount of DNA located in the mitochondria, the energy-producing organelles within the cell. This mitochondrial DNA is inherited maternally and is separate from the nuclear DNA. Together, the nuclear DNA and mitochondrial DNA play crucial roles in the cell’s function and heredity.