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Karyograms and non-disjunctionfree25 September 2021

In three short activities student explore how non-disjunction can lead to changes in chromosome number. This is illustrated by reference to Down syndrome (trisomy 21). Students will watch a six minute... more

HL Metabolism Activities for Learning25 September 2021

The ideas for learning activities on this page aim to cover the whole of the IB guide for this topic. Where a full lesson plan has been developed it includes resources to use on an interactive whiteboard... more

Base substitution mutation25 September 2021

Sickle cell disease is used as an example of a base substitution mutation. Students build on the basic vocabulary and apply their understanding to an IB style question about the consequences of a base... more

Chromosomes genes & alleles25 September 2021

The overall aim is to give students an insight into the rapid growth in our understanding of genetics and the human genome. A play list of short Ted talk clips illustrates the extraordinary potential... more

Human Genome Projectfree25 September 2021

Will the discoveries of the human genome project benefit us? In this activity students explore three excellent websites with information about the Human Genome project, There is a reading activity and... more

Humans Activities for Learning25 September 2021

The ideas for learning activities on this page aim to cover the whole of the IB guide for this topic. Where a full lesson plan has been developed it includes resources to use on an interactive whiteboard... more

Measuring size in Biologyfree20 September 2021

How many ┬Ám make a mm? This activity gives students clear examples of biological objects to cover sizes from 1mm to 1nm. Students watch a short video clip, investigate a visual biological data base using... more

Building cladograms (online activity)free19 September 2021

How can analogous and homologous traits be used to build cladograms? This online resource explains the importance of this evidence from comparative anatomy in cladistics. There are plenty of questions... more

End product inhibition of Enzymes.14 September 2021

Following a quick review of enzyme inhibition students complete a few structured notes leading to an experiment with enzymes and inhibitors. Students collect data and produce graphs for analysis. A third... more

Cell Types Detective Activityfree8 September 2021

In this Problem Based Learning activity students will identify different types of cells to help the New York aquarium re-open. Aquarium tanks flooded during the storm surge from hurricane Sandy must be... more