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Book 1B Unit 4


Unit 4 Cells, Human Reproduction and Heredity

 

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4.1 Cells
4.2 How are cells organized in living things?
4.3 Human reproduction
4.4 Being parents
4.5 Heredity and variation
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Corrigenda (April 2021)
Corrigenda (March 2019)
Corrigenda (June 2018)
List of Amendments (April 2019)



Observing different types of animal cells (Related to p.5)  SPS: OB 
Observing different types of plant cells (Related to p.5)  SPS: OB 
Using a microscope (Related to Experiment 4.1 on p.10)  SPS: PA 
Making biological drawings (Related to p.14)  SPS: CM 
Drawing bar charts and histograms (Related to Activity 4.12 on p.56)  SPS: CM 
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Key Steps of Scientific Investigation
Scientific Investigation Training Programme



Science English Basics
Unit 4
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Days of strong humid heat are on the rise(08/2020) ENVIRONMENT   NEW 
Governments are fighting large swarms of locusts(08/2020) ENVIRONMENT   NEW 
The Australia's bushfires brought huge damages to the wildlife(04/2020) ENVIRONMENT 



Reusing hard disk and Replacing it with DNA  NEW 
Household project: Make your home 'smart' using IoT and IFTTT  NEW 
Detection in daily life: Using Google Science Journal and ChemEye  NEW 
Big step forward to fight against malaria with gene editing (6-11-2018)
Scientists successfully rewrote DNA in human embryos (13-12-2017)