The kind of variation between two daises in a field

Two reasons samples taken may not be representative of the whole

How can misrepresentation be avoided?

How can we minimize chance in the sampling process?

How do those two things minimise the effect of chance?

Two factors that result in variation

Mutation

Which cells are made by meiosis?

How does fusion of gametes at fertilisation increase genetic variability?

How is variation introduced in asexually reproducing organisms?

Relationship between a plant's genes an its environment.

Four environmental factors that could influence a plant's development

Why are conclusions about individuals in variation difficult?

Features of Genetic Factors

Example

Genetic=caused by many different genes?

Effect of the environment

Features of environmental factors

Examples

Many genes in environmental?

Bell shaped curve on graph

On Normal Distribution Curve, what does the mean measure?

What does the standard deviation measure?

What is the point of inflection?