3. Forensic Biology
Dna Basics — Quiz
Test your understanding of dna basics with 5 practice questions.
Practice Questions
Question 1
What term describes the presence of more than one mitochondrial DNA sequence variant within a single individual’s cells?
Question 2
Which statement correctly contrasts SNP and STR markers in forensic DNA analysis?
Question 3
If a PCR reaction starts with 100 template molecules and proceeds for 20 cycles at 100% efficiency, how many total copies are generated?
Question 4
In a profile comprising three independent STR loci with genotype frequencies 0.10, 0.20, and 0.15, what is the random match probability?
Question 5
Which principle underlies the Chelex resin DNA extraction method compared to organic extraction?