3.29 - 3.30

3.29 Variation

Variation = differences

Individual Phenotype = Genotype + Environment

Variation in the population = Variation in the Gene + Variation in the Environment

Their 3 classes of Variation:

·         Discontinuous – When the variation is caused only by gene

·         Continuous – When the variation is caused gene and the environment

·         Environmental variation- when the variation  is caused by only the environment

3.30 Mutation

·         Mutation is rare

·         It changes the base sequence in the gene

·         It can be inherited