Gene–environment effects, mutation and sources of genetic variation

What this note covers

1. Phenotype emerges from genotype in an environment
2. Mutations provide new alleles without anticipating need
3. Meiosis generates new combinations of inherited alleles
4. Sources of variation make different predictions
5. Selection acts on phenotypes and changes populations
6. Design investigations that separate genes and environment

6 sections · 10 key terms & formulas · 6 common mistakes