Variation (Leaving Cert Biology): Quizzes
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8 questions from this quiz
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Practise the questions
8 questions from this quiz
What does variation mean in biology?
What does variation mean in biology?
Differences between members of a species
Can evolution occur without variation?
Can evolution occur without variation?
No, evolution cannot occur without it
What are the two causes of variation?
What are the two causes of variation?
Sexual reproduction and mutations
Which process causes variation through meiosis and fertilisation?
Which process causes variation through meiosis and fertilisation?
Sexual reproduction
Which two processes during meiosis cause variation?
Which two processes during meiosis cause variation?
Crossing over and random assortment
How does fertilisation cause variation?
How does fertilisation cause variation?
It combines genetic material from 2 parents
What is a mutation?
What is a mutation?
A change in the amount or structure of DNA
Mutations cause variation by changing what?
Mutations cause variation by changing what?
DNA