Cloning (HSC SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What makes cloning different from selective breeding?
What makes cloning different from selective breeding?
Cloning uses DNA from a single source
What is a major industrial application of gene cloning?
What is a major industrial application of gene cloning?
Producing insulin on an industrial scale
Which enzyme joins the extracted gene to the plasmid vector in gene cloning?
Which enzyme joins the extracted gene to the plasmid vector in gene cloning?
Ligase enzymes
Why is Taq polymerase used in PCR?
Why is Taq polymerase used in PCR?
It remains functional at high temperatures
At what temperature does the annealing stage occur in PCR?
At what temperature does the annealing stage occur in PCR?
How many DNA copies are produced after 20 PCR cycles?
How many DNA copies are produced after 20 PCR cycles?
1,048,576 copies
How many attempts were required to successfully clone Dolly the sheep?
How many attempts were required to successfully clone Dolly the sheep?
276 attempts
In SCNT, which animal provides the nuclear DNA to the clone?
In SCNT, which animal provides the nuclear DNA to the clone?
The nucleus donor only
What advantage does artificial embryo twinning have over SCNT?
What advantage does artificial embryo twinning have over SCNT?
More economical and higher success rate
What is the main risk of reducing genetic diversity through cloning?
What is the main risk of reducing genetic diversity through cloning?
Populations become vulnerable to disease