Chapter 12 / 6 short lessons
Molecular genetics
Connect DNA to genes and proteins, then explain gene transfer and evaluate genetic engineering.
G3 Pure Biology / K325 / 2027 syllabus
What do you think?
If a bacterium receives a suitable human insulin gene, does it become a human cell?
Lessons
0 of 6 marked as readDNA, genes and chromosomes
Explain that genes are DNA sequences carried on chromosomes and act as units of inheritance.
About 4 minDNA structure and base pairing
Describe the DNA double helix and nucleotide components, and apply complementary base pairing.
About 5 minFrom a gene to a polypeptide
Connect the order of DNA bases to a specific polypeptide and its possible function.
About 5 minTransferring a gene between organisms
Explain gene transfer and the formation of a transgenic organism.
About 4 minUsing bacteria to produce human insulin
Outline how an insulin-coding sequence is inserted into bacterial DNA and used in biotechnology.
About 5 minEvaluating genetic engineering
Discuss potential benefits and ethical considerations in medicine, plants and animals.
About 6 minWhat you will be able to do
- Relate DNA, genes and chromosomes and apply base-pairing rules.
- Explain how genetic information specifies polypeptides.
- Describe gene transfer and evaluate its uses and ethical questions.
Spaced review
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