Exam (elaborations)
FORENSICS DNA TEST QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
- Course
- Institution
FORENSICS DNA TEST QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
[Show more]
Content preview
FORENSICS DNA TEST QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
Because DNA is composed of alternating sugar and phosphate molecules, DNA is known as a double
helix. - ANSWER true
Most females have one X and one Y (XY) sex chromosome. - ANSWER false
To calculate the percentage of people who have a particular allele, population studies are conducted to
collect data. - ANSWER true
Humans share common ancestors. Therefore the DNA STR profile of all humans is the same. - ANSWER
false
mtDNA is used to trace ancestry through the female line. - ANSWER true
Except for identical twins, no two people on earth have the same:
a. physical characteristics.
b. DNA.
c. blood group.
d. skeletal type. - ANSWER B. DNA
People are always shedding cells. Therefore DNA can be recovered from:
a. skin cells.
b. saliva
c. semen.
d. a and b only.
e. a and c only.
f. a, b, and c. - ANSWER F. a, b, and c
, The term that describes a picture of homologous pairs of human chromosomes is:
a. karyotype.
b. genetics.
c. archetype.
d. a and b only.
e. All of these choices.
f. None of these choices. - ANSWER A karyotype
The 95 percent of noncoding DNA is involved in:
a. blueprint production.
b. genetic material.
c. cell regulation.
d. DNA fingerprinting. - ANSWER C. cell regulation
If one person has two alleles that are the same for a specific STR, then that person is considered to have:
a. rare occurring alleles.
b. heterozygous genotypes.
c. frequently occurring alleles.
d. homozygous genotypes. - ANSWER D. homozygouss genotypes
James Watson and Francis Crick received the 1953 Nobel Prize for their work on describing the structure
of DNA as:
a. a double helix that resembles a twisted ladder.
b. a helix that resembles a twisted ladder.
c. a triple helix that resembles a twisted ladder.
d. None of these choices. - ANSWER A. a double helix that resembles a twisted ladder
Which chromosomes have the same shape and contain the same genes?
a. genes
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Performance. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75057 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now