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Transgenic cows – introduction

Scientists at AgResearch in New Zealand have successfully produced healthy transgenic cows that make modified milk or human therapeutic proteins in their milk. What is a transgenic cow ...

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Transgenic cows making therapeutic proteins

Scientists at AgResearch have generated transgenic cows that produce therapeutic proteins in their milk. Here, we explain the advantages and disadvantages of using transgenic technologies to ...

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Techniques used to make transgenic cows

Scientists producing transgenic cows use a range of techniques including DNA cloning, restriction enzyme digests, ligation, polymerase chain reaction (PCR), transfection, nuclear transfer and in ...

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Ethical frameworks and transgenics

In this activity, students explore how ethical frameworks can be used to guide decision-making on an ethical issue. The activity forms part of the unit plan Ethics of transgenic cows. Purpose ...

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Role-play ethics and transgenics

In this activity, students use role playing to explore different stakeholders’ perspectives on the issue of using transgenic cows to make medicines to treat human diseases. The activity forms ...

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Ethics in sheep breeding – unit plan

Students develop their knowledge of selective sheep breeding so they can formulate an argument and make ethical decisions about breeding easy care sheep. Rights: Photographer: Susie Scobie ...

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Ethics of transgenic cows – unit plan

In this unit, students develop their knowledge of transgenics so they can formulate an argument and make ethical decisions about using transgenic cows to make medicines to treat human diseases ...

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Biocontrol in action – unit plan

Students carry out a practical investigation to help AgResearch scientists monitor the spread of Microctonus aethiopoides (a tiny wasp) and its success as a biocontrol agent for clover root ...

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Advantages of making proteins in transgenic cows

Mammalian cell culture and transgenic cow technology are two different methods for producing human therapeutic proteins. Dr Goetz Laible compares these methods. Questions to consider Can you list ...

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Uses of transgenic cows

Dr Goetz Laible outlines some of the potential uses of transgenic cow technology. These include applications in biomedicine, in agriculture, to make novel food products, for increased animal ...

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Transgenic cows and their offspring

Tim Hale discusses how transgenic cows are identified. He gives us details of the transgenic cow herd at Ruakura and discusses breeding strategies. Questions to consider Would you expect a ...

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Making a transgenic cow

This interactive shows the techniques used to make transgenic animals at AgResearch in New Zealand. Molecular biology techniques such as restriction enzyme digests, ligation, tissue culture and ...

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Confirming a cow is transgenic

This interactive shows how scientists confirm a newborn calf is a transgenic animal. View the steps AgResearch scientists use to produce a transgenic cow in this related interactive.

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Biotechnology quiz

Answer the questions in this quiz to find out how much you know about biotechnology.

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