Mutations (Leaving Cert Biology): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a mutation?
What is a mutation?
A change in amount or structure of DNA
How do natural mutations occur?
How do natural mutations occur?
When DNA doesn't copy correctly
Why are mutation rates generally low?
Why are mutation rates generally low?
DNA has enzymes that repair mutations
What is a somatic cell?
What is a somatic cell?
A body cell not involved in reproduction
What can mutations in somatic cells lead to?
What can mutations in somatic cells lead to?
Cancer
Why are mutations in gametes more serious than those in somatic cells?
Why are mutations in gametes more serious than those in somatic cells?
They can be passed to offspring
What are mutagens?
What are mutagens?
Agents that increase mutation rates
What is the relationship between mutagens and carcinogens?
What is the relationship between mutagens and carcinogens?
Many mutagens are carcinogens
Which of the following is an example of radiation that acts as a mutagen?
Which of the following is an example of radiation that acts as a mutagen?
UV rays
Which chemical is listed as an example of a mutagen?
Which chemical is listed as an example of a mutagen?
Cigarette smoke
What is a gene mutation?
What is a gene mutation?
A change in a single gene
In Down's Syndrome, what is the diploid chromosome number?
In Down's Syndrome, what is the diploid chromosome number?
47