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

Question

Leah Villanueva

Biology

25 November, 13:53

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

+5

Answers (1)

Know the Answer?

Natalya Leach · Answer 1

The process which is most likely to be used to determine whether the blood on the glass belongs to the suspect is the second option - STR analysis.

STR stands for Short Tandem Repeat, and refers to comparing DNA from two or more samples.