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World 3 · Beyond Mendel · 9 min · PRO

World 3 lab challenge

Blend and co-express

PRO · Genetics

World 3: Beyond Mendel is part of PRO

The first world of Genetics is free. PRO opens the other 44 lessons in 7 worlds — simulations, quizzes and all.

  • Incomplete dominance
  • Codominance
  • Multiple alleles
  • Dominance hierarchies
  • Sex-linked traits
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

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