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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 practice is an example of ethical selective breeding?
Which term describes the human practice of choosing parents with desirable traits to produce offspring with those traits?
A breeder selects several traits at once (e.g., disease resistance and high weight). Which challenge is commonly faced when selecting for multiple traits?
What is one practical reason breeders record pedigrees (family trees) of animals?
Which statement best distinguishes selective breeding from genetic modification (GM)?
Which pair of parents would a breeder choose to produce offspring that are likely to show hybrid vigour?
How can marker-assisted selection speed up traditional selective breeding?
When selective breeding is used to increase resistance to a specific disease, what long-term risk should breeders monitor?
What does “selection pressure” mean in the context of selective breeding?
What is “inbreeding depression”?
A breeder wants offspring that are consistently medium-sized rather than extremely large or small. Which selection method should be used?