Base substitution mutation.

IB Biology: Base substitution mutation.

Students build on the basic vocabulary and apply their understanding to an IB style "Explain" question about the consequences of a base substitution leading to sickle cell anaemia. This is an introduction to alleles, and a structured worksheet helps to keep their notes clear. Three similar IB style questions can be attempted and students can see typical student responses and model answers which can be used to help improve...


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