Multiple Choice
What is a primary application of obtaining a small amount of a person's DNA?
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7. DNA and Chromosome Structure
DNA as the Genetic Material
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What is a primary application of obtaining a small amount of a person's DNA?
A
Measuring the amount of protein in a cell
B
Determining the age of a person
C
Detecting the presence of viruses in blood
D
Identifying individuals through DNA fingerprinting
Verified step by step guidance1
Understand that DNA contains unique sequences that vary between individuals, making it a powerful tool for identification.
Recognize that obtaining a small amount of a person's DNA allows scientists to analyze specific regions known as genetic markers or short tandem repeats (STRs).
Learn that DNA fingerprinting involves comparing these genetic markers from a sample to known profiles to identify individuals uniquely.
Note that this technique is widely used in forensic science, paternity testing, and identifying remains, rather than measuring proteins, determining age, or detecting viruses.
Conclude that the primary application of obtaining a small amount of DNA is to identify individuals through DNA fingerprinting.
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