Variation (Edexcel GCSE Biology Combined Science): 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 does an organism's phenotype depend on?
What two factors does an organism's phenotype depend on?
Genotype and environment
How are genes passed from parents to offspring?
How are genes passed from parents to offspring?
In sex cells
Which individuals have the same genotype?
Which individuals have the same genotype?
Only identical twins
Which is an example of environmental variation?
Which is an example of environmental variation?
Scars on an animal
Why is weight influenced by both genetics and environment?
Why is weight influenced by both genetics and environment?
Diet affects weight; genes control fat storage
What effect do most mutations have on phenotype?
What effect do most mutations have on phenotype?
No effect
What happens to advantageous mutations over time?
What happens to advantageous mutations over time?
Become common via natural selection
What does cystic fibrosis cause in the body?
What does cystic fibrosis cause in the body?
Thick sticky mucus in lungs
What are the two causes of genetic variation?
What are the two causes of genetic variation?
Mutations and sexual reproduction
Which environmental factor can stunt plant growth?
Which environmental factor can stunt plant growth?
Infertile soil