Question

Which of the following statements is true? A. Some DNA tests analyze the mitochondria instead of the nucleus of a cell. B. Inconclusive DNA test results indicate usually means the suspect is guilty. C. The most common biological evidence used in DNA testing is sweat. D. DNA testing cannot be done on cells that have been dead for more than five years.

Answer 1

Answer:

Mitochondria are structures within cells that convert the energy from food into a form that cells can use. Each cell contains hundreds to thousands of mitochondria, which are located in the fluid that surrounds the nucleus (the cytoplasm). Although most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA. This genetic material is known as mitochondrial DNA or mtDNA. In humans, mitochondrial DNA spans about 16,500 DNA building blocks (base pairs), representing a small fraction of the total DNA in cells.

Answer 2

Explanation:

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