DNA Profiling and Sequencing (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is another name for DNA profiling?
What is another name for DNA profiling?
DNA fingerprinting
Who would have identical DNA profiles?
Who would have identical DNA profiles?
Identical twins
What is the purpose of PCR in DNA profiling?
What is the purpose of PCR in DNA profiling?
Makes millions of copies of DNA
Which enzyme is essential for the PCR process?
Which enzyme is essential for the PCR process?
Taq polymerase
What temperature is used in the denaturation step of PCR?
What temperature is used in the denaturation step of PCR?
94°C
How many DNA copies are produced after 30 PCR cycles?
How many DNA copies are produced after 30 PCR cycles?
Roughly one billion
What is the function of restriction enzymes?
What is the function of restriction enzymes?
Cut DNA at specific sequences
Why does DNA move during gel electrophoresis?
Why does DNA move during gel electrophoresis?
DNA is negatively charged
In gel electrophoresis, which DNA fragments travel furthest?
In gel electrophoresis, which DNA fragments travel furthest?
Smaller fragments
What do identical DNA profile patterns indicate?
What do identical DNA profile patterns indicate?
Samples from same person
What does DNA sequencing determine?
What does DNA sequencing determine?
Exact order of nucleotides
How long does sequencing a human genome take today?
How long does sequencing a human genome take today?
Just hours