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.
While DNA contains material common to all humans, some portions are unique to each individual. DNA profiling is a way of establishing identity. It is used in a variety of ways, such as establishing proof of paternity or finding out whether twins are fraternal or identical. Critics point out that DNA profiles are vulnerable to contamination errors, and invasion of privacy.