How is mitochondrial DNA
typing used in forensic science

An unknown mitochondrial DNA (mtDNA) sample is matched to a sample of mitochondrial DNA (mtDNA) that was recovered at the scene.

Explanation:

Once a sample is collect, the mtDNA is then tested to see if it matches the mtDNA from the scene.

An unknown mtDNA sample is matched to a sample of nuclear DNA that was found at a crime scene.

Explanation:

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.