Explore BrainMass
Share

DNA evidence

This content was STOLEN from BrainMass.com - View the original, and get the already-completed solution here!

Briefly explain of what DNA analysis is and how it can be used as evidence in criminal investigations.

Explain why extra caution must be exercised when collecting DNA analyzable evidence.

Discuss the precautions that must be followed to avoid contamination of evidence that may contain DNA evidence.

Describe the methods for collecting and storing DNA evidence.

Identify and discuss at least one controversial issue connected to the collection and/or use of DNA evidence

© BrainMass Inc. brainmass.com October 17, 2018, 12:27 pm ad1c9bdddf
https://brainmass.com/biology/diagnostics-of-linkage/dna-evidence-578257

Solution Preview

DNA

Briefly explain of what DNA analysis is and how it can be used as evidence in criminal investigations.

DNA is the hereditary molecules of life. DNA contains the genetic information that can be passed down from parents to offsprings. DNA carry genetic information that dictate what we look like and who we are. Every individuals has DNA in their cells. DNA is present in the nucleus of every cells in your body. The skin, the blood, hair, tears, saliva, sweat, sperms, eggs, and all bodily fluid contain DNA. DNA is present in every genes in your body. A gene is a transcript that can expressed a particular trait like eye or hair color. It is the DNA that makes up the genes in your body.
Every individuals genetic makeup is unique in that the DNA that makes up the genes are aligned sequence by sequence differently from one individual to another. DNA makes up the sequence of genes in our bodies. For example, an individual A may have sequence AGGTTAAGGTTAA. Individual B may have a different sequence TTGGGAAAGGGTT.

By collecting DNA and sequencing it, an investigator can differentiate ...

Solution Summary

DNA is the hereditary molecules of life. DNA contains the genetic information that can be passed down from parents to offsprings. DNA carry genetic information that dictate what we look like and who we are. Every individuals has DNA in their cells.

$2.19
Similar Posting

Processing DNA Evidence for Identification

You have been asked to list and explain the steps that you would use to identify and analyze DNA from a person who has been in prison for 10 years. The results of your test may exonerate the person.
Once the physical evidence has been delivered to the forensics lab, what is the process of identifying DNA? Be specific, and explain in detail.
Consider that the evidence is over 10-years old.
Once the DNA evidence has been identified, what is the process of analyzing the DNA? Be specific, and explain in detail.
What challenges exist that can make your analysis inadmissible in court? Explain.
How are tissue matches made? Explain.
Why is it important to utilize different DNA testing methods? Explain.
Why is it that some methods may be preferred over others? Explain.
Other than forensic uses, DNA testing is essential in paternity testing.
What are the steps used to carry out a paternity test? Explain in detail.
Why might the results of a paternity test be significant in a court case? Explain.
Be sure to reference all sources using APA style.

View Full Posting Details