In a sexual assault, there is a mixture of DNA that needs to be resolved. How is this accomplished?
A) Proteinase K digests epithelial cells
B) Sodium dodecyl sulfate (SDS) digests epithelial cells
C) Centrifugation is used to separate cellular components
D) Choice 'a', &'b' are correct
E) Choice 'a', 'b', & 'c' are correct

Question

Quizplus · Accepted Answer

In order to resolve the mixture of DNA in a sexual assault case, all three methods mentioned in options A, B, and C are used. Proteinase K and Sodium dodecyl sulfate (SDS) are used to digest epithelial cells and release DNA. Centrifugation is then used to separate the cellular debris from the extracted DNA. Therefore, option E is the best choice as it includes all three correct methods.

In a Sexual Assault, There Is a Mixture of DNA