Prosecutors are showing dna evidence to a courtroom. they present an enlarged picture of an electrophoretic gel that contains bands representing strs in a suspect's dna and strs in the perpetrator's dna. this picture depicts the of the suspect and perpetrator.

DNA profile.

Explanation:

DNA fingerprinting may be defined as a technique  used to determine the individuality of the individual basis on the unique DNA sequences. DNA fingerprinting is used to find the criminals.

The agarose gel electrophoresis is used to visualize the DNA sequences of the individual. The short tandem repeats are involved in identifying the unique sequences. The picture contains STRs in a suspect's DNA and STRs in the perpetrator's DNA. The picture shows the DNA profile of the perpetrator and suspect.

Thus, the answer is DNA profile.

a physical change is being made.

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