Horizon Education and Media Homeschool Science

DNA and variation

Unit 2 Set 1

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DNA structure

Francis Crick writes to his 12 year-old son about his historic discovery of DNA's structure.

Lesson 1

Variation from meiosis

How to get a possible eight million variations for each human gamete.

Lesson 2

Variations from mutations

Play the mutations game.

Lesson 3

Pedigree charts

Track lactose intolerance across generations.

Lesson 4

Report abuse