DNA Fingerprinting Quiz Unit 3

The fresh blood for DNA fingerprinting is collected in Purple top vacutainer containing

• Heparin
• EDTA
• Sodium fluoride
• Potassium flouride

Y-STR's helps in determining

• Maternity
• Time since death
• Paternity
• None of the above

Which locus is used for determining both male and female gender in DNA fingerprinting ?

• DYS 19
• DYS 393
• Y-Plex ladder
• Amelogenin

The first technique that was adopted for forensic DNA analysis was

• PCR
• STR
• RFLP
• SNP

PCR technique was invented by

• Alec Jeffery
• Karry Mullis
• John Butler
• L. Kobilinsky

What is the primary biological source of Touch DNA?

• Sweat glands
• Saliva droplets
• Epithelial cells from the skin
• White blood cells

For PCR reaction which of the following is not required?

• Taq polymerase
• dNTPs
• Primer
• Radio labelled DNA probe

Fluorescent dye mostly used in electrophoresis of DNA

• Ethidium Bromide
• SYBR® Green
• PicoGreen®
• Methylene blue

RFLP analysis determines which of the following?

• Power of discrimination
• Variation in the length of a defined fragment of DNA
• Hundreds of variations at each locus
• Age of bloodstain

The correct sequence of carrying out RFLP of a blood sample is- A. Gel electrophoresis B. Hybridization with probes C. DNA Isolation D. Addition of restriction enzymes E. Southern blotting Choose the correct answer from the options given below

• A,B,C,D,E
• C,D,A,E,B
• C,A,D,B,E
• C,B,A,E,D