Bacterial DNA – the role of plasmids

https://www.sciencelearn.org.nz/resources/1900-bacterial-dna-the-role-of-plasmids
Like other organisms, bacteria use double-stranded DNA as their genetic material. However ...

Role of proteins in the body

https://www.sciencelearn.org.nz/resources/209-role-of-proteins-in-the-body
Proteins are molecules made of amino acids. They are coded for by our genes and form the basis ...

Meiosis, inheritance and variation

https://www.sciencelearn.org.nz/resources/208-meiosis-inheritance-and-variation
Although we are all unique, there are often obvious similarities within families. Maybe you ...

Genotype and phenotype

https://www.sciencelearn.org.nz/resources/207-genotype-and-phenotype
We are all unique. Even monozygotic twins, who are genetically identical, always have some ...

DNA profiling

https://www.sciencelearn.org.nz/resources/1980-dna-profiling
DNA profiling is the process where a specific DNA pattern, called a profile, is obtained from a ...

E. coli – the biotech bacterium

https://www.sciencelearn.org.nz/resources/1899-e-coli-the-biotech-bacterium
The bacterium Escherichia coli (E. coli for short) is crucial in modern biotechnology ...

Impacts of biotechnology on society

https://www.sciencelearn.org.nz/resources/1209-impacts-of-biotechnology-on-society
Biotechnology has helped improve the quality of people’s lives for over 10,000 years. Today’s ...

How to add foreign DNA to bacteria

https://www.sciencelearn.org.nz/resources/527-how-to-add-foreign-dna-to-bacteria
Using modern laboratory techniques, it is relatively easy to add pieces of foreign DNA to ...

Transgenic cows – introduction

https://www.sciencelearn.org.nz/resources/834-transgenic-cows-introduction
Scientists at AgResearch in New Zealand have successfully produced healthy transgenic cows that ...

Modern biotechnology

https://www.sciencelearn.org.nz/resources/1206-modern-biotechnology
The discovery that genes are made up of DNA and can be isolated, copied and manipulated has led ...

DNA, chromosomes and gene expression

https://www.sciencelearn.org.nz/resources/206-dna-chromosomes-and-gene-expression
We hear about DNA all the time, whether it’s in a news story or the latest crime show on TV ...

The genotype/phenotype connection

https://www.sciencelearn.org.nz/resources/201-the-genotype-phenotype-connection
What role do genes play in development? How does your genotype contribute to your phenotype? Or ...

Techniques used to make transgenic cows

https://www.sciencelearn.org.nz/resources/857-techniques-used-to-make-transgenic-cows
Scientists producing transgenic cows use a range of techniques including DNA cloning ...

Proteins – what they are and how they’re made

https://www.sciencelearn.org.nz/resources/1901-proteins-what-they-are-and-how-they-re-made
Proteins are the key working molecules and building blocks in all cells. They are produced in a ...

Transgenic cows making modified milk

https://www.sciencelearn.org.nz/resources/843-transgenic-cows-making-modified-milk
In 2000, AgResearch generated their first transgenic cows. These cows produced modified or ...

Obesity: genetic or environmental?

https://www.sciencelearn.org.nz/resources/203-obesity-genetic-or-environmental
Rachael Taylor is a Research Associate Professor based at the Edgar National Centre for ...

Breeding a new apple cultivar

https://www.sciencelearn.org.nz/resources/844-breeding-a-new-apple-cultivar
Breeding a new apple cultivar takes a long time and involves many steps. The aim is to produce ...

DNA detective

https://www.sciencelearn.org.nz/resources/211-dna-detective
In this activity, students learn about the collection and processing of DNA evidence and use ...

Producing foreign proteins in bacteria

https://www.sciencelearn.org.nz/resources/1959-producing-foreign-proteins-in-bacteria
Bacteria can produce foreign proteins from introduced genes, using their own gene expression ...

Transgenic cows making therapeutic proteins

https://www.sciencelearn.org.nz/resources/856-transgenic-cows-making-therapeutic-proteins
Scientists at AgResearch have generated transgenic cows that produce therapeutic proteins in ...

Breeding easy care sheep

https://www.sciencelearn.org.nz/resources/814-breeding-easy-care-sheep
Easy care sheep developed by AgResearch were produced using selective breeding. Find out more ...

Uniquely me – key Terms

https://www.sciencelearn.org.nz/resources/1760-uniquely-me-key-terms
What makes you, you and me, me? Genes or environment? How we look and act is the result of the ...

Future uses of transgenic cows

https://www.sciencelearn.org.nz/resources/880-future-uses-of-transgenic-cows
AgResearch scientists have generated transgenic cows with biomedical and agricultural ...

Crime scene evidence

https://www.sciencelearn.org.nz/resources/1979-crime-scene-evidence
Forensic scientists collect or process trace evidence such as hair, skin, blood or semen ...
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