Inheritance & EvolutionExam Tips

Problems with Selective Breeding

Part of Selective Breeding — GCSE Biology

This exam tips covers Problems with Selective Breeding within Selective Breeding for GCSE Biology. Artificial selection and selective breeding techniques It is section 3 of 11 in this topic. Treat this as a marking guide for what examiners are looking for, not just a fact list.

Topic position

Section 3 of 11

Practice

28 questions

Recall

20 flashcards

Problems with Selective Breeding

Inbreeding: Reduces genetic variation
Genetic diseases: Harmful alleles can accumulate
Vulnerability: Whole population susceptible to same disease
Animal welfare: Some breeds have health problems (e.g., breathing issues in flat-faced dogs)

Keep building this topic

Read this section alongside the surrounding pages in Selective Breeding. That gives you the full topic sequence instead of a single isolated revision point.

Examples of Selective Breeding How It Works: Selective Breeding Over Generations What is Selective Breeding?Key Definitions

Practice Questions for Selective Breeding

What is selective breeding?

A. The random mating of organisms in the wild
B. The process of choosing organisms with desired traits to breed together
C. The genetic modification of organisms using DNA technology
D. The natural selection of organisms by environmental pressures

1 markfoundation

Explain how selective breeding has been used to develop modern wheat varieties with higher yields.

4 marksstandard

Quick Recall Flashcards

What is selective breeding?

Humans choose which organisms breed for desired characteristics.

Why do humans engage in selective breeding?

To pass on desirable traits to offspring and improve specific characteristics.

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Examples of Selective Breeding

How It Works: Selective Breeding Over Generations