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Ancient DNA extraction techniques tend to differ from those used in regular DNA

ID: 17483 • Letter: A

Question

Ancient DNA extraction techniques tend to differ from those used in regular DNA extraction. Which TWO of the following six statements are correct?
Choose at least one answer.
a. High concentrations of detergents are used, to reduce bacterial contamination
b. Methods are designed to reduce the effects of DNA damage
c. The differences are cosmetic and due to personal preference
d. Ancient DNA extractions are much faster than regular methods, in order to minimise loss of DNA
e. Methods should remove any chemical residues from treatments applied in museum storage
f. Methods are designed to remove soil compoundsthat may interfere with downstream manipulation

Explanation / Answer

a. High concentrations of detergents are used, to reduce bacterial contamination