126 What You Know So Far: Genotype and Phenotype 127 NCEA Style Question:

Summarise what you know about this topic so far under the headings provided. You can draw diagrams or mind maps, or write short notes to organise your thoughts in preparation for the NCEA style essay question that follows. Use the points in the introduction and the hints provided to help you:

The effect of environment on phenotype HINT: Examples of how the phenotype is affected by changes in the environment.

Mutagens and mutations HINT: Include definitions, different types of mutation, and their potential effects on phenotype and on metabolic pathways.