FRSC 2030 Exam Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) How much DNA is needed - Correct Answers ✅40 cells or 1ng How much is 1ng? - Correct Answers ✅A smartie smashed into 1000000000 pieces How is DNA isolated? - Correct Answers ✅Recovered cells are broken open, DNA is freed, proteins are removed How do you determine how much DNA is present? - Correct Answers ✅Use probes tagged with fluorescent molecules What is a short tandem repeat? - Correct Answers ✅Repeats of short sequences of DNA, can build a DNA profile How many copies of STR's do people have? - Correct Answers ✅2, 1 copy from mother and one from father What is a homozygous str - Correct Answers ✅Both copies (alleles) have same number of repeats what is a heterozygous str - Correct Answers ✅alleles have different number of repeats 1 / 3
FRSC 2030 Exam Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) what is random match probability - Correct Answers ✅probability that a random individual unrelated to the known individual would share the unknown DNA profile When is the likelihood ratio useful - Correct Answers ✅when assessing mixtures of DNA what is y-str testing - Correct Answers ✅Targeting str's on Y chromosome What are some limitations of DNA analysis - Correct Answers ✅Poor quality dna may give no profile, handled items may not have DNA or have multiple DNA profiles what is the real reason you can't trust DNA - Correct Answers ✅everything it says is code for something else What is the Amanda Knox and raffaele sollecito case? - Correct Answers ✅sexual assault and murder case, experiment recreating conditions of the scene demonstrated transfer of DNA to items never handled What is gunshot residue? - Correct Answers ✅Unburned powder that remains on clothes and skin 2 / 3
FRSC 2030 Exam Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) what happens when a weapon is fired - Correct Answers ✅primer and propellant particles blow back toward the shooter what are some major detectable elements of gunpowder - Correct Answers ✅lead, barium, and antimony where might gunpowder residue be found - Correct Answers ✅shooter's hands and clothing, anyone in close range to weapon when fired, victim's body/clothing What is glass made from - Correct Answers ✅sand/silica, soda ash, limestone, potentially boron or lead what are the physical properties of glass - Correct Answers ✅solid, hard, brittle, transparent Where do you find flat glass/sheet glass - Correct Answers ✅architectural and vehicle windows what is the most common type of flat glass - Correct Answers ✅Float glass what is annealed glass - Correct Answers ✅non- strengthened glass
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