Variations, Mutations, and Selection (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What is variation in biology?
What is variation in biology?
Differences between species members
Why can't acquired variations be passed to offspring?
Why can't acquired variations be passed to offspring?
They are not genetically controlled
Which is an example of an acquired variation?
Which is an example of an acquired variation?
Learning to play an instrument
What controls inherited variations?
What controls inherited variations?
Genes passed from parents
Which is an inherited variation?
Which is an inherited variation?
Blood group
What are the two main sources of inherited variation?
What are the two main sources of inherited variation?
Sexual reproduction and mutations
How does sexual reproduction create variation?
How does sexual reproduction create variation?
Genetic recombination in gametes
What are mutations?
What are mutations?
Spontaneous changes in genes or DNA
What effect do most mutations have?
What effect do most mutations have?
Little to no effect
What is a gene mutation also called?
What is a gene mutation also called?
Point mutation affecting single gene
What is artificial selection?
What is artificial selection?
Humans breeding desirable traits
Which type of variation can natural selection act on?
Which type of variation can natural selection act on?
Inherited (genetic) variations only
What did the peppered moth study demonstrate?
What did the peppered moth study demonstrate?
Environmental changes affect survival