18. Molecular Genetic Tools

Which method rapidly amplifies (copies) a specific DNA sequence in vitro without using bacteria or cloning in cells?

In a standard DNA extraction protocol, what is the primary role of detergent (e.g., SDS or dish soap)?

In forensic DNA profiling, how is DNA similar to a fingerprint?

In the context of methods for analyzing DNA, how does polymerase chain reaction (PCR) relate to DNA fingerprinting?

In a standard DNA extraction protocol, which of the following is commonly added to precipitate DNA out of aqueous solution?

Which method is most commonly used to separate genomic DNA fragments by size?

Which of the following is a disadvantage of using DNA technology (e.g., PCR-based testing, DNA profiling, or sequencing) in human applications?

In the polymerase chain reaction (PCR), which enzyme synthesizes (builds) the new DNA strands during the extension step?

In gel electrophoresis, what is a DNA ladder used for?

In methods for analyzing DNA (e.g., agarose gel electrophoresis), what is the primary purpose of a DNA size standard (DNA ladder)?

In forensic DNA analysis, which part of a hair is most likely to contain nuclear DNA suitable for STR profiling?

In methods for analyzing DNA, gel electrophoresis separates DNA fragments primarily according to their:

Ethanol is used in the DNA isolation process because it primarily:

In forensic DNA analysis, which part of a hair is most likely to contain nuclear DNA suitable for STR profiling?

In agarose gel electrophoresis, DNA molecules will migrate toward which electrode?