What selective breeding is
What selective breeding is

Selective breeding is artificial selection: humans choose parents with useful inherited characteristics and breed them. Variation means individuals in a population are not all the same, so some are better suited to the breeder's goal.
Step-by-step lessons on Edexcel IGCSE Biology Selective breeding. Each one builds up to exam-style questions. Start with the foundational cell biology and core content before moving on to the more data-heavy ecology, genetics and practical-skills topics, which carry a large share of the exam marks.