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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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A breeder wants to increase milk yield in a herd. Which strategy would be an example of artificial selection?
What is a likely negative consequence of intensive inbreeding in a livestock population?
Which is an ethical concern commonly discussed about selective breeding in pets?
Why is genetic variation important for the success of selective breeding programs?
Which term describes the human practice of choosing parents with desirable traits to produce offspring with those traits?
What does “heritability” of a trait mean in selective breeding?
How can marker-assisted selection speed up traditional selective breeding?
Which statement best distinguishes selective breeding from genetic modification (GM)?
A plant breeder selects parent plants that flower early to produce offspring that also flower early. Which term best describes the trait “flowering time” in this context?
What is “inbreeding depression”?
Why can selecting for a single extreme trait (for example maximum size) lead to poorer health in animals?