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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Selective Breeding (GCSE Biology)

The following is a GCSE Biology test covering 'Selective Breeding' from the broader topic Inheritance, Variation And Evolution. The test is geared towards the AQA exam board style syllabus.
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Which genetic principle makes selective breeding slow when a desirable trait is controlled by many genes?
What does “selection pressure” mean in the context of selective breeding?
Which is an ethical concern commonly discussed about selective breeding in pets?
Why might a plant breeder use controlled crosses rather than allowing plants to self-pollinate?
What is one practical reason breeders record pedigrees (family trees) of animals?
How can marker-assisted selection speed up traditional selective breeding?
What is a likely negative consequence of intensive inbreeding in a livestock population?
Which advantage is commonly achieved by selective breeding of crop varieties for farmers?
What does “heritability” of a trait mean in selective breeding?
Which practice is an example of ethical selective breeding?
What is “inbreeding depression”?