Golden State Killer and Genetic Genealogy Quiz
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Golden State Killer and Genetic Genealogy Quiz

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Questions and Answers

What is the term used to describe the process of adding family members to a genealogy tree in the context of genetic genealogy?

  • Reverse genealogy (correct)
  • Genealogical research
  • Genetic profiling
  • Ancestry mapping

    • Which of the following methods are combined with DNA profiles in traditional genealogical research?

  • Psychological analysis
  • Social media tracking (correct)
  • Genetic mapping
  • Quantum computing

    • In the Golden State Killer case, what investigative method was used after narrowing down potential suspects?

  • Analyzing historical records
  • Assessing genetic compatibility
  • Comparing physical features to descriptions (correct)
  • Implementing psychological profiling

    • Which of the following was a physical description given by victims of the Golden State Killer?

    Signup and view all the answers

    What was the primary method used to capture the Golden State Killer?

    <p>Genetic genealogy</p> Signup and view all the answers

    What type of biological material is collected from crime scenes for DNA analysis?

    <p>Hair, skin, or semen</p> Signup and view all the answers

    What is the first step in the genetic profiling process?

    <p>Cutting DNA into tiny fragments</p> Signup and view all the answers

    How does a genotyping chip function in DNA analysis?

    <p>It isolates unique genetic variants</p> Signup and view all the answers

    Which of the following statements about Joseph DeAngelo is true?

    <p>He avoided evidence because of his police background.</p> Signup and view all the answers

    What role do fluorescent dyes play in genetic profiling?

    <p>To isolate appropriate probes for analysis</p> Signup and view all the answers

    How long did Joseph DeAngelo manage to evade law enforcement?

    <p>Over 40 years</p> Signup and view all the answers

    What is the purpose of a genetic profile created from DNA analysis?

    <p>To identify potential suspects</p> Signup and view all the answers

    What is the primary purpose of adding a perpetrator's DNA sequence to a public database?

    <p>To find similar profiles among users</p> Signup and view all the answers

    Which DNA testing companies are mentioned as contributors to genealogical databases?

    <p>23andMe and Ancestry</p> Signup and view all the answers

    How much DNA do first cousins typically share?

    <p>12.5%</p> Signup and view all the answers

    Why might it be unlikely to find many first or second cousins in the GEDmatch database?

    <p>Users likely do not share close genetic ties.</p> Signup and view all the answers

    Which group of relatives is typically most numerous in DNA databases?

    <p>Third cousins</p> Signup and view all the answers

    What percentage of DNA do second cousins share?

    <p>3.125%</p> Signup and view all the answers

    What is significant about the article titled 'How Genetic Genealogy Helped Catch The Golden State Killer'?

    <p>It explains how genetic genealogy was used in a specific criminal case.</p> Signup and view all the answers

    What is the main interest of law enforcement officials when analyzing DNA databases?

    <p>To determine familial relationships to the perpetrator</p> Signup and view all the answers

    Which factor reduces genetic similarity for each generation since sharing a common ancestor?

    <p>Decreased number of shared variants</p> Signup and view all the answers

    Who is the contributor of the article discussing the Golden State Killer?

    <p>Billy Bambrough</p> Signup and view all the answers

    In which year was the article 'How Genetic Genealogy Helped Catch The Golden State Killer' published?

    <p>2020</p> Signup and view all the answers

    What does the article imply about the role of genetic genealogy in law enforcement?

    <p>It has helped solve many high-profile cases.</p> Signup and view all the answers

    According to the content provided, what overarching theme is present in the discussions featured in Forbes?

    <p>Innovations in technology and law enforcement.</p> Signup and view all the answers

    Which of the following articles seem to address personal finance issues?

    <p>New Student Loan Application Gives Borrowers A Shot At Loan Forgiveness</p> Signup and view all the answers

    Which topic does the article about 'Northern Lights' cover?

    <p>Visibility of natural phenomena in specific regions.</p> Signup and view all the answers

    What event is hinted at in the section mentioning a $1.4 trillion earthquake in China?

    <p>Predictions of a natural disaster with significant economic impact.</p> Signup and view all the answers

    What term does CeCe Moore use to describe the process of building a family tree by adding living relatives and connecting them to distant ancestors?

    <p>Reverse genealogy</p> Signup and view all the answers

    Which of the following investigative methods is used to narrow down potential suspects after identifying them through genetic genealogy?

    <p>Comparing physical features to eyewitness accounts</p> Signup and view all the answers

    Which modern technique is mentioned as a complementary method to traditional genealogy in building family trees?

    <p>Social media analysis</p> Signup and view all the answers

    What physical characteristics were reported by victims of the Golden State Killer that matched Joseph James DeAngelo?

    <p>B</p> Signup and view all the answers

    What is the primary goal of combining traditional genealogy techniques with modern methods in suspect identification?

    <p>To build a large family tree of related individuals</p> Signup and view all the answers

    Study Notes

    Golden State Killer

    • Joseph DeAngelo, also known as the Golden State Killer, was arrested in April 2018.
    • DeAngelo was convicted of 13 murders, 50 rapes, and numerous burglaries.
    • DeAngelo was a former police officer who avoided detection for over 40 years.

    Genetic Genealogy

    • Genetic genealogy is a process that uses genetic data to identify potential suspects in criminal investigations.
    • It uses a combination of DNA databases, family trees, and traditional investigative techniques.

    Process of Genetic Genealogy

    • Investigators obtain DNA samples from crime scenes, which are then sequenced to create a genetic profile.
    • The profile is compared to DNA databases, such as GEDmatch, to identify possible relatives.
    • GEDmatch is a public database where individuals upload their DNA data to learn about their ancestry.

    Identifying Relatives

    • The number of shared genetic variants is used to calculate the degree of relatedness between individuals.
    • DeAngelo's genetic profile was compared to other profiles in the database.
    • Law enforcement agencies focus on finding close relatives, such as second or third cousins, to build a family tree.

    Building a Family Tree

    • Traditional and modern genealogical techniques, such as birth and marriage certificates, historical documents, census data, social media, and DNA profiles, are used to build a family tree.
    • This process, referred to as "reverse genealogy," traces relatives back to their ancestors.

    Identifying the Suspect

    • Investigative techniques, such as comparing physical features to eyewitness accounts and sketches, are used to narrow down the list of potential suspects.
    • In the Golden State Killer case, DeAngelo's physical characteristics matched the descriptions provided by victims.

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    Related Documents

    How Genetic Genealogy Helped Catch The Golden State Killer 2000 PDF

    Description

    Test your knowledge on the infamous Golden State Killer, Joseph DeAngelo, and the innovative methods of genetic genealogy used to capture him. This quiz covers his crimes, the investigative processes, and the significance of DNA databases in solving cold cases. See how much you know about this pivotal moment in criminal history!

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