Were the babies switched? – The Genetics of Blood Types

Human biology or genetics learners apply their knowledge to a unique situation: two newborn baby girls being possibly switched in the hospital. The engaging activity ends with a Punnett squares assignment in which pupils evaluate whether the switch occurred or not.

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  • Presents a thorough commentary on blood type
  • Defines antigens and antibodies are defined
  • Punnett squares and a pedigree chart help to clarify
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