Genetic Organisation
From the entire genetic library of an organism down to a single variation in a gene, this section explores the hierarchy of how genetic information is organised and visualised.
Hierarchy of Genetics
Click on a term below to reveal its definition and relationship to the others.
Select a term to begin.
Karyotype Explorer
A karyotype is a visual profile of an individual’s chromosomes. Select a condition to see its representative karyogram and identify any chromosomal abnormalities.
Meiosis: The Engine of Variation
Meiosis is the specialised cell division that creates genetic diversity by producing unique gametes. Click through the steps to see how one diploid cell becomes four haploid cells, focusing on the key events that shuffle genetic information.
Patterns of Inheritance
Explore how alleles interact to create phenotypes and test your skills by analysing family pedigrees to deduce the mode of inheritance for a given trait.
Allelic Interactions
Pedigree Detective
Analyse the family tree. Can you determine the mode of inheritance for the shaded trait?
Genetic Cross Simulator
Use Punnett squares to predict the probable genetic outcomes of offspring. This tool helps visualise the principles of segregation and independent assortment.
Monohybrid Cross
Dihybrid Cross
Simulates a cross of two heterozygotes (AaBb x AaBb) to show the 9:3:3:1 ratio.