← Encyclopedia

Genetic calculator.

Set what each parent carries and we'll work out the odds for every offspring outcome. Covers recessive, co-dominant and dominant genes; line-bred (polygenic) traits don't follow fixed odds and are left out.

TraitParent AParent B
Orange Vulgare
recessive
Magic Potion
recessive

Expected offspring

Pick at least one trait on a parent to see the odds.

Odds assume each gene is inherited independently and describe each egg or offspring separately — a 25% outcome does not guarantee one in every four animals.