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he Biology Module B - L.Flint (Fall)
English
ALEUW
58:06
33
While investigating a break-in, the police discover that the intruder was cut on the broken window that he or she used to enter
the house and left a sample of blood behind. Soon after the crime, the police apprehend a suspect and obtain a DNA sample
Which process is most likely to be used to determine whether the blood on the glass belongs to the suspect?
PCR analysis
STR analysis
mtDNA analysis
Y-chromosome analysis
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Answer:

The correct option is B) STR analysis

Explanation:

Short-tandem repeats can be described as a repetitive pattern of 2-16 base pairs which is unique to individuals. In molecular biology or forensic studies, STR analysis is done to determine the Short- tandem repeat regions in an individual. This analysis helps to discriminate one DNA from another.

The forensic scientist can use the STR analysis from the blood on the glass and compare it with the STR analysis of possible suspects.

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