OBJECTIVE LIFE SCIENCE
BIOTECHNOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Below is an image of a gel electrophoresis of a hair left at a crime scene.Gel electrophoresis is a laboratory method used to separate mixtures of DNA.
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the suspect’s cell type
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the suspect’s DNA
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the suspect’s blood type
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None of the above
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Explanation:
Detailed explanation-1: -A match made between different crime scene profiles indicates a repeat offender at work. The police may use this DNA evidence to support other evidence to help prosecute someone for a crime. Complete DNA profiles give very reliable matches and may provide strong evidence that a suspect is guilty or innocent of a crime.
Detailed explanation-2: -Electrophoresis can be used to analyze proteins, including those found in human blood. Unlike DNA or RNA, proteins may not be charged.
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