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World 5 · Linked Genes · 9 min · PRO

Measuring it: the testcross

Turning a litter into a distance

PRO · Genetics

World 5: Linked Genes is part of PRO

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

  • Genes that travel together
  • Map distance
  • Coupling and repulsion
  • A linked cross, class by class
  • How many offspring is enough?
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

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