Multiple Choice
Which career most directly combines DNA technology (e.g., DNA profiling) with forensic investigations to help identify individuals from biological evidence?
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18. Molecular Genetic Tools
Methods for Analyzing DNA
Struggling with Genetics?
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In gel electrophoresis, what is the purpose of a DNA ladder?
A
To provide a set of DNA fragments of known sizes that serves as a molecular size standard for estimating the lengths of sample DNA fragments
B
To stain DNA so that bands become visible under UV light
C
To cut DNA at specific restriction enzyme recognition sites to generate fragments
D
To amplify a specific DNA region through repeated thermal cycling
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