Forensic DNA Fingerprinting Often Involves Recovery of Minute Quantities of DNA

question 33

Multiple Choice

Forensic DNA fingerprinting often involves recovery of minute quantities of DNA from a crime scene.What is a concern in analyzing this DNA?

• A)There is seldom enough DNA to allow PCR amplification.
• B)Even with these tiny amounts of DNA,there may be too much DNA for efficient PCR.
• C)Restriction enzymes may not work efficiently on the PCR-amplified DNA.
• D)It is critical to avoid the introduction of contaminating human DNA unrelated to the crime.

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Definitions:

Soapsuds Enema

A type of enema using a mixture of soap and water introduced into the colon to stimulate bowel movement.

Dorsal Recumbent Position

A position where an individual lies on their back with legs bent and feet flat on the surface, used for medical examinations.

Right Lateral Position

A body position where the individual lies on their right side, often used in medical settings to promote comfort and facilitate certain procedures or examinations.

Digital Rectal Examination

A diagnostic procedure where a healthcare professional inserts a lubricated, gloved finger into the rectum to check for abnormalities of organs or other structures in the pelvis and lower abdomen.