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Listed under:  Science  >  
Interactive resource

Genes

See how genes and genetic engineering work. Build models of DNA, and work out how it is copied as cells divide. Discover how the codes carried in the genes are copied and used to build proteins. See how gene splicing can be used to benefit human lives. For example, model the transfer of a human gene into bacteria, so they ...

Interactive resource

Genes: DNA replication

Model the copying of DNA molecules when cells divide. Discover the part played by enzymes in the replication process. Select the correct base pairings to complete the DNA double helix. For example, pair adenine with thymine. This learning object is the third in a series of five objects that progressively increase in difficulty. ...