Genetic Fingerprinting (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Who would have identical genetic fingerprints?
Who would have identical genetic fingerprints?
Identical twins
What percentage of human DNA is non-coding?
What percentage of human DNA is non-coding?
95%
In gel electrophoresis, which DNA fragments travel the furthest?
In gel electrophoresis, which DNA fragments travel the furthest?
Smaller fragments
What is the second stage of genetic fingerprinting?
What is the second stage of genetic fingerprinting?
Digestion
Where do restriction endonucleases cut during digestion?
Where do restriction endonucleases cut during digestion?
Near but not within VNTRs
What do genetic fingerprinting results provide?
What do genetic fingerprinting results provide?
Statistical probability
How many AGC repeats almost certainly cause Huntington's disease?
How many AGC repeats almost certainly cause Huntington's disease?
Over 38 repeats
What should a child's genetic fingerprint show in paternity testing?
What should a child's genetic fingerprint show in paternity testing?
Bands matching both parents
What binds to VNTRs during hybridisation?
What binds to VNTRs during hybridisation?
Radioactive probes
Why might a DNA match not prove guilt in forensic cases?
Why might a DNA match not prove guilt in forensic cases?
Contamination or relatives' DNA