Exam 30: Genetically Modified Foods

What is a major concern surrounding GMOs that critics cite as an argument against GMOs?

Current methods used in the generation of GM plants are still in development.The chance of a productive GM plant being generated by biolistic methods is dependent on_______ .

Why is the cassava plant difficult to engineer without the help of modern biotechnology?

Predict the phenotype of the following gene construct if it is successfully transfected into plant cells.Promoter- GUS- PFK1

Bt crops are an insect- resistant GM plant.Bt crops are used mainly because the cry proteins,which confer the insecticidal properties,are shown to _______.

Describe the difference between genetically modified GM food and foods that are selectively breed for over centuries.

Describe how genetically modifying plants could provide farmers with a boost in productivity of their crops.

GM foods are considered safe by advocates who cite _ _.

When GMOs are generated through the transfer of genetic material across species,the GMO is said to be_______ .

Genetic modification of rice to generate beta- carotene in the endosperm has great potential to alleviate vitamin A deficiency in third- world countries.However,there is still much controversy surrounding its growth. Provide supporting arguments for the planting and consumption of Golden Rice 2.

GM plants that are in various developmental pipelines include those that are_______ .

Critics of GM foods often cite the _______ as reason to be skeptical of the safety of GM foods.

Selection of a successfully transformed plant cell requires several steps including growth in a selective media,checking for the gene of interest,and checking for phenotype.Propose a method of detecting a transfected gene's presence in a developing organism.

Gene- edited organisms are seeing much less regulatory oversight than transgenic organisms.Why is this the case?

The use of beta- glucuronidase GUSin the generation of Roundup- Ready soybeans is an example of a _______ .

Why should GM foods be considered on a case- by- case basis instead of making general statements about all GM foods?

The use of a positive selection marker in the development of Golden Rice 2 allowed the transgenic plants to grow on_______ ,which is usually unusable by plants.

The future of GM organisms is encouraging.A project is underway to produce a GM chicken that is incapable of _______.

GM foods are controversial for many reasons.Which of the following does not represent a controversy between advocates and critics of GM foods?

Which method would best meet the need in generating GM plants if food crops were threatened by invasive insect species?