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.
1 DNA is insoluble in ethanol (ethyl alcohol). 2  As ethanol is added to a solution containing DNA, the DNA will come out of solution and stick to whatever is around. 3  At room temperature DNA begins to denature by the action of DNase (present in cell extracts). 4  DNA extraction procedures must be carried on in ice.rocedure: 1  Place 100 ml of homogenizing solution in a beaker heat the solution in a water bath until it reaches 60 C. 2  Mince the onion and add to the solution when it has reached 60 C. Stir and let sit for 15 minutes.