Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

17. Biotechnology

DNA Fingerprinting

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concept

DNA Fingerprinting

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concept

Short Tandem Repeats (STRs)

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Problem

The goal of DNA fingerprinting is:

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Problem

Which of the following characteristics of short tandem repeats (STRs) makes it useful for DNA fingerprinting?

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Problem

The gel below shows a region of STRs from a DNA sample taken from a crime scene. It also shows the same region of STRs from 4 suspects involved in the case. Which suspect’ DNA was found at the crime scene?