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Unit 6.1 DNA Notes Questions
By Sunray Cho
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Last updated about 1 year ago
16 questions
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Question 1
1.
Based on the video: https://www.youtube.com/watch?v=V_P0U29Ndvs Select the two important guidelines in preserving the integrity of DNA evidence:
items such as bodily fluid must be packaged into a paper bag to allow them to dry
items such as bodily fluid must be dried and then packaged into a plastic bag
items such as bodily fluid must be dried and then packaged into a paper bag
using GBI approved sexual assault evidence collection kit
Question 2
2.
VIDEO: Plastic bags should NOT be used for DNA evidence because:
Question 3
3.
VIDEO: The following are two types of known DNA samples that can be taken:
Buccal swabs
Hair
Cigarettes
Blood
Toothbrush
Band-aids
Question 4
4.
VIDEO: When labeling a sample of known DNA it must include:
investigator collecting the sample
name of forensic lab
date and time of collection
sample arrival time to the lab
name of donor
Question 5
5.
VIDEO: CODIS stands for:
Combined DNA Individual Service
Collateral DNA Index System
Combined DNA Index System
Combined DNA Index Service
Question 6
6.
Going through the 6.1 Notes, answer the following: Select the two correct pairs of nucleotides found in DNA.
Adenine (A) and Cytosine (C)
Guanine (G) and Adenine (A)
Adenine (A) and Thymine (T)
Guanine (G) and Thymine (T)
Cytosine (C) and Guanine (G)
Question 7
7.
DNA contains how many pairs of chromosomes?
46
23
60
Question 8
8.
Find the complementary strand for the following DNA base pairing strand:
GATCCTTAGCAATCGA Type in all capital letters with no spaces
Question 9
9.
Which part of DNA do forensic scientists used to identify a person's DNA?
coded regions
genetic code
non-coding regions
nucleotides
Question 10
10.
Describe what the main function is for PCR.
Question 11
11.
Which of the following is the correct order for DNA Fingerprinting?
1) visualize fragment bands 2) amplify 3) gel electrophoresis 4) cut DNA 5) extract DNA
1) extract DNA 2) amplify 3) gel electrophoresis 4) cut DNA 5) visualize fragment bands
1) amplify 2) extract DNA 3) gel electrophoresis 4) cut DNA 5) visualize fragment bands
1) extract DNA 2) cut DNA 3) amplify 4) gel electrophoresis 5) visualize fragment bands
Question 12
12.
Gel electrophoresis functions by size and charge where DNA has a negative charge and that larger pieces fall towards the bottom.
True
False
Question 13
13.
Fill in the blanks: ______________DNA is derived solely from the mother while ____________ DNA is derived from both parents.
mitochondrial, nuclear
nuclear, mitochondrial
Question 14
14.
What is the primary purpose of DNA fingerprinting?
Analyze gene mutations for research.
Establish evolutionary relationships between species.
Identify individuals based on unique DNA patterns.
Determine genetic diseases in individuals.
Question 15
15.
Which part of DNA is most analyzed for fingerprints?
Codons that code for proteins.
Mitochondrial DNA sequences.
Short tandem repeats (STRs).
Single nucleotide polymorphisms (SNPs).
Question 16
16.
What samples can be used for DNA fingerprinting?
Blood, hair, saliva, or skin cells.
Muscle tissue from the deceased.
Plant cells for identification purposes.
Only blood samples from individuals.