Selective Breeding (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is selective breeding?
What is selective breeding?
Humans choosing organisms to breed
Which is an example of a desirable characteristic in selective breeding?
Which is an example of a desirable characteristic in selective breeding?
Disease resistance in plants
How many times must selective breeding be repeated?
How many times must selective breeding be repeated?
Many times
What is the first step in selective breeding?
What is the first step in selective breeding?
Choose parents with desired traits
What does inbreeding involve?
What does inbreeding involve?
Breeding closely related individuals
What happens to the gene pool during inbreeding?
What happens to the gene pool during inbreeding?
It reduces
What could happen if the environment changes and the gene pool is small?
What could happen if the environment changes and the gene pool is small?
The species could become extinct
Why does a small gene pool increase extinction risk?
Why does a small gene pool increase extinction risk?
They all have the same genetic make-up
Why are genetic defects more likely with a small gene pool?
Why are genetic defects more likely with a small gene pool?
Recessive traits more likely to present
What is a major problem that selective breeding can lead to?
What is a major problem that selective breeding can lead to?
Inbreeding