Exam 16: DNA: the Indispensable Forensic Science Tool

Which nitrogenous base is NOT found in DNA?

Note that suspect B has only one band in his lane.This is most likely an indication that:

The PCR technique requires the use of a thermal cycler to:

Use this DNA STR pattern of evidence from a rape investigation to answer the following question(s). -The evidence suggests which suspect raped the victim?

The ________ gene is often used to determine the sex of a DNA contributor.

What is CODIS? How is CODIS useful to forensic scientists?

STR analysis has replaced other DNA typing techniques because it:

The amplification of DNA using the Thermal Cycler takes approximately:

________ is a technique for replicating or copying a portion of a DNA strand outside a living cell.

In DNA replication,polymerases:

What are the advantages of using PCR in the analysis of DNA for forensic investigation?

________ present in soil rapidly degrade DNA.

Collection swabs must not be packaged in a wet state.

List two advantages STRS have over restriction fragment length polymorphisms (RFLP).

Small amounts of blood are best submitted to a crime laboratory:

Mitochondrial DNA is arranged in a circular loop of bases while nuclear DNA is arranged in a continuous strand of bases.

In the PCR process,the first step is to heat the DNA strands.This is to permit the:

Information from the Human Genome Project will:

List four ways to minimize contamination of biological evidence.

DNA is a large molecule called a polymer,created by linking a series of repeating units known as ________.