Find out how evolution happens due to chance events. Explore the bottleneck effect and founder effect.

Provides an overview of the field of human genetics, how it began with Mendel's work, some basic genetic principles, how genetic disorders are transmitted, and how physical characteristics are inherited.

Learn how to find allele frequency and how it's different from genotype frequency.

When a population is in Hardy-Weinberg equilibrium, it is not evolving. Learn how violations of Hardy-Weinberg assumptions lead to evolution.

How natural selection works at the level of genes, alleles, genotypes, & phenotypes.