Variation (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What two factors determine an organism's phenotype?
What two factors determine an organism's phenotype?
Genotype and environment
What is meant by genotype?
What is meant by genotype?
The genes an organism inherited
How is genetic variation created?
How is genetic variation created?
Combining genes from mother and father
Which organisms have the same genotype?
Which organisms have the same genotype?
Identical twins
Which is an example of environmental variation in plants?
Which is an example of environmental variation in plants?
Smaller and yellow leaves
Why is weight a characteristic affected by both genetics and environment?
Why is weight a characteristic affected by both genetics and environment?
It depends on diet and genetic metabolism
How is genetic variation introduced?
How is genetic variation introduced?
By mutations in DNA sequence
What effect do most mutations have on phenotype?
What effect do most mutations have on phenotype?
No effect
What happens if a mutation is advantageous?
What happens if a mutation is advantageous?
Natural selection makes it common quickly
Which is an example of environmental variation in animals?
Which is an example of environmental variation in animals?
Scars