The difference between an element and a compound is that an element is a substance made of same type of atoms, whereas a compound is made of different elements in definite proportions.
(July 2010). Molecular anthropology is a field of anthropology in which molecular analysis is used to determine evolutionary links between ancient and modern human populations, as well as between contemporary species.itochondrial DNA offers another advantage over autosomal DNA. There are generally 2 to 4 copies of each chromosome in each cell (1 to 2 from each parent chromosome). For mtDNA there can be dozens to hundreds in each cell.
Agarose is used to separate DNA because it has a neutral charge and low chemical complexity - meaning it is unlikely to react with biomolecules. It is also an easily cast and handled matrix. Plus, samples are very easy to recover when you use agarose gel. 4 people found this useful.