FSC100 Exam ; Questions a nd Answers 100% Correct DNA can be used to discriminate between identical twins Correct answer -false forensic biology consists of Correct answer -body fluid identification and dna analysis serology Correct answer -body fluid identification Rosalind Franklin Correct answer -Woman who generated x -ray images of DNA, she povided Watson and Crick with key data about DNA Sir Alec Jeffreys Correct answer -1984 - first person to make a breakthrough in DNA exclusion/dna fingerprinting first dna case? Correct answer -collin pitchfork convicted -- through sir alec jeffreys contributions humans inherit ____ chromosomes from each parent for a total of ________ Correct answer -23 chromosomes from each parent total of 46 restriction fragment length polymorphisms (rflp's) were discovered by Correct answer -sir alec jefferys FSC100 Exam ; Questions a nd Answers 100% Correct dna can be extracted from any fluid that has a cell with Correct answer -a nucleus prescence of spermatoza Correct answer -indicates sperm dna profiling Correct answer -second gen tying system (currently used) - looks at a single locus on a chromosome dna typing Correct answer -the variety of methods that isolate and extract sections of dna dna fingerprinting Correct answer -first-generation typing system - using rflp's short tandem repeats (STRS) Correct answer -- 2 to 5 base pair repeats popular and current method of dna typing in forensic science advatages of str analysis Correct answer -- does not require large quantities of DNA and the sample can be degraded - less-time consuming with a high degree of discrimination FSC100 Exam ; Questions a nd Answers 100% Correct short tandem repeat analysis is combined with another technique... what does this technique do? Correct answer -polymerase chain reaction -- allows for amplification, or for the unlimited copying of dna from a small sample RFLPS are Correct answer -DNA restriction fragments (sections cut out with enzymes) the first case in which dna eliminated a suspect Correct answer -1984 - sir alec jeffreys dna fingerprinting is what kind of system? Correct answer -multi -locus - also time consuming dna can be extracted from ... Correct answer -sperm, hair with roots, organs, teeth, skin, sweat epigenomic variations Correct answer -changes triggered during embryological development, the reason why identical twins do not have exactly the same dna the most common way of analyzing fragments of dna (using str method) Correct answer -
electrophoic analysis
electrophoic analysis
