Biotechnology and DNA Analysis Quiz

What is the primary purpose of using restriction enzymes in DNA analysis?

• To amplify DNA samples

• To replicate DNA

• To cut DNA into fragments

• To sequence DNA

What is the main function of PCR in DNA analysis?

• To cut DNA into smaller pieces

• To sequence the entire genome

• To identify genetic mutations

• To amplify specific DNA segments

During PCR, what role do primers play?

• They bind to target DNA sequences

• They cut DNA into fragments

• They replicate the entire genome

• They separate DNA strands

In gel electrophoresis, why do shorter DNA fragments move faster through the gel?

• They have a higher charge

• They are less dense

• They encounter less resistance

• They are more attracted to the negative electrode

What is the purpose of applying an electrical current in gel electrophoresis?

• To amplify DNA samples

• To heat the gel

• To visualize DNA bands

• To separate DNA fragments by size

Which of the following is NOT a common application of DNA profiling?

• Determining guilt in a crime

• Identifying accident victims

• Resolving paternity disputes

• Predicting weather patterns

How can DNA profiling help in paternity testing?

• By amplifying the father's DNA

• By identifying genetic mutations

• By comparing DNA banding patterns

• By sequencing the entire genome

What percentage of DNA do humans share with chimpanzees according to the Human Genome Project?

• 97.2%

• 99.9%

• 98.8%

• 95.5%

What is one of the key findings from the Human Genome Project regarding human evolution?

• Humans have no genetic mutations

• Humans evolved without any rapid changes

• Humans have genes for defense against diseases

• Humans are genetically identical to all primates

What is the study of whole genomes of organisms called?

• Genomics

• Proteomics

• Transcriptomics

• Metabolomics