Question

How can dna be used to help solve a crime​

Answer 1

dna can be used because no dna is the same unless there are identical twins. with using dna to solve a crime, you can test the dna to see if there are any similariteis or if they are exact. If there are similarities that means that someone related to that person is the person in charge of the crime. This is why dna evidence is one of the most important parts when looking at a crime scene because it is the most exact and precise way of convicting someone

Step-by-step explanation:

Answer 2

Each person’s DNA is unique.

Scientists use variable regions in DNA to create a DNA profile.

DNA samples can be taken from blood, bone, hair, or other body tissues and

products.

DNA from a crime scene can be compared to DNA from a suspect.

DNA typing can be used to solve old cases.

Step-by-step explanation:

Each person’s DNA is unique.

Scientists use variable regions in DNA to create a DNA profile.

DNA samples can be taken from blood, bone, hair, or other body tissues and

products.

DNA from a crime scene can be compared to DNA from a suspect.

DNA typing can be used to solve old cases.