COPY: Genetics of Whitefly Insect
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COPY: Genetics of Whitefly Insect

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Questions and Answers

According to Caitlin Byrt, what is the condition under which an organism can borrow genetic information from other organisms?

When there is a strong pressure for survival on an organism.

What was the purpose of disrupting the BtPMaT1 gene in whiteflies using small molecules of RNA?

To make the whiteflies susceptible to phenolic glycosides present in tomato plants.

What was the outcome for whiteflies that fed on genetically modified tomato plants producing RNA molecules?

All whiteflies subsequently died.

What mechanism does the research demonstrate for engineering crops to target plant pests?

<p>Targeting the resistance of crops to plant pests using genetic modification.</p> Signup and view all the answers

What is the potential drawback of using genetic engineering to target plant pests, according to Caitlin Byrt?

<p>Horizontal gene transfer may allow the pests to evolve resistance to genetic engineering.</p> Signup and view all the answers

What type of molecules were used to selectively interfere with the BtPMaT1 gene in whiteflies?

<p>Small molecules of RNA.</p> Signup and view all the answers

What is unique about the genetic material transferred from a plant to the silverleaf whitefly?

<p>It performs a useful function.</p> Signup and view all the answers

What is the name of the gene found in plants that has been transferred to the silverleaf whitefly?

<p>BtPMaT1</p> Signup and view all the answers

What is the suspected function of the BtPMaT1 gene in plants?

<p>To help plants store toxins in a harmless form</p> Signup and view all the answers

When did the gene transfer event between the plant and the silverleaf whitefly occur?

<p>Between 35 million and 80 million years ago</p> Signup and view all the answers

How may the gene transfer event have occurred?

<p>Through viruses that cause disease in plants and are transmitted via whiteflies</p> Signup and view all the answers

What is a characteristic of some viruses that may have played a role in the gene transfer event?

<p>They incorporate their own genome into the cells of their hosts</p> Signup and view all the answers

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