DNA Typing Quiz

The technology of DNA typing had its beginnings in 1985 with the work of:

• John Butler

• Alec Jeffreys

• James Watson

• Henry Lee

• Francis Crick

Which scientist was the first to take an x-ray photograph of DNA, confirming the double helix structure of DNA?

• James Watson

• Francis Crick

• Alec Jefferys

• Rosalind Franklin

Which nitrogenous base is NOT found in DNA?

• cytosine

• uracil

• guanine

• adenine

• thymine

Which component of DNA forms the "backbone" of the molecule?

• phosphate group

• nitrogenous base

• sugar

• adenine

Which of the following depicts correct base-pairing in DNA?

• A-U

• T-A

• A-C

• C-T

• G-A

The building blocks of the DNA molecule are known as:

• nucleotides

• hydrocarbons

• purines

• polysaccharides

• amino acids

The individuality of an organism is determined by the organism's:

• environment

• decisions

• nitrogenous bases

• DNA nucleotide sequence

• amino acids

How much DNA do you share with other human beings?

• 99.9%

• 0.1%

• 23%

• 13%

• none of these are correct

PCR is a technique that:

• virtually eliminates operator error from DNA analysis

• can produce many exact copies of segments of DNA

• produces information regarding the sequence of nitrogenous bases

• provides a statistical analysis of the nitrogenous-base pairings

Analysis of mitochondrial DNA is:

• more rigorous than analysis of nuclear DNA

• less expensive than analysis of nuclear DNA

• less time consuming than analysis of nuclear DNA

• more expensive than analysis of nuclear DNA