Heredity

Small code. Extraordinary possibilities.

Move from alleles and family trees to DNA, gene expression and population genetics.

What you’ll explore

  • Mendelian inheritance and probability
  • DNA, cell division and gene expression
  • Population genetics and biotechnology

The full learning space includes visual lessons, activities, quizzes, review cards and a customizable printable reference sheet.

Written for the current WhiskerPrep Division B curriculum. Compare these topics with your event’s current rules; we do not claim coverage of every tournament or season.

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HEREDITY / 01Try it yourself

What could two alleles make?

In this simple model, A is dominant. An Aa × Aa cross has four equally likely combinations.

AaAa

Tap each square to reveal its genotype.