Animations from "DNA from the Beginning"

Classical Genetics

Concept 1: Children resemble their parents

Concept 2: Genes come in pairs

Concept 3: Genes don't blend

Concept 4: Some genes are dominant

Concept 5: Genetic inheritance follows rules

Concept 6: Genes are real things

Concept 7: All cells arise from existing cells

Concept 8: Sex cells have 1 set of chromosomes; body cells have 2

Concept 9: Specialized chromosomes determine gender

Concept 10: Chromosomes carry genes

Concept 11: Genes get shuffled when chromosomes exchange pieces

Concept 12: Evolution begins with the inheritance of gene variations.

Concept 13: Mendelian laws apply to human beings.

Concept 14: Mendelian genetics cannot fully explain human health and behavior.