Some Problems with Use of DNA Analysis for Forensic Evidence

question 32

Multiple Choice

Some problems with use of DNA analysis for forensic evidence may occur because of

• A) identical twins.
• B) not enough of a sample.
• C) contaminated samples.
• D) degraded samples.
• E) All of the above.

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Definitions:

Okazaki Fragments

Short sequences of DNA nucleotides which are synthesized discontinuously and later linked together to form the lagging strand in DNA replication.

Directionality

The quality or characteristic of having a particular direction, orientation, or tendency, especially in biological processes.

Origin of Replication

A specific site on the DNA where replication begins.

Hydrogen Bonds

Weak bonds between molecules or within them, involving hydrogen atoms in polar covalent bonds, crucial in the structure of DNA and proteins.