How did the scientists transfer the gene from Bacillus thuringiensis to maize plants?Genes are added only once the plant is developed by injecting enzymes are used to both remove unwanted and insert desired genes.Genes are added early on in the development process by gene splicing. Enzymes are used to both remove unwanted and insert desired genes.The genes of Bt toxin can only be added to certain plants, by spraying them with the Bt toxin gene.Genes are added only in the late development process by gene splicing. Enzymes are used to both remove and inserted genes.I DON'T KNOWSUBMIT ANSWER
Question
How did the scientists transfer the gene from Bacillus thuringiensis to maize plants?Genes are added only once the plant is developed by injecting enzymes are used to both remove unwanted and insert desired genes.Genes are added early on in the development process by gene splicing. Enzymes are used to both remove unwanted and insert desired genes.The genes of Bt toxin can only be added to certain plants, by spraying them with the Bt toxin gene.Genes are added only in the late development process by gene splicing. Enzymes are used to both remove and inserted genes.I DON'T KNOWSUBMIT ANSWER
Solution
The process of transferring the gene from Bacillus thuringiensis (Bt) to maize plants involves several steps:
-
Isolation of the desired gene: The first step is to isolate the specific gene from Bt that is responsible for producing the Bt toxin. This is done using restriction enzymes, which are proteins that can cut DNA at specific sequences.
-
Insertion of the gene into a vector: Once the desired gene has been isolated, it is inserted into a vector. A vector is a DNA molecule that is used as a vehicle to artificially carry foreign genetic material into another cell.
-
Transformation of maize cells: The vector carrying the Bt gene is then introduced into maize cells. This can be done using various methods, such as Agrobacterium-mediated transformation or biolistics (also known as "gene gun").
-
Selection and regeneration of transformed cells: After transformation, the maize cells are grown in a selective medium that allows only the cells that have incorporated the Bt gene to grow. These cells are then induced to form a new plant.
-
Verification of gene transfer: Once the new plants have grown, they are tested to confirm that they have the Bt gene and that it is functioning correctly.
This process is not done by spraying the plants with the Bt toxin gene, nor is it done only once the plant is developed or only in the late development process. The genes are added early on in the development process, and enzymes are used to both remove unwanted and insert desired genes.
Similar Questions
Bt crops are genetically modified to contain a bacterial gene from Bacillus thuringiensis. What advantage does this gene give to the plant?Provides mineralsProtection from bacteriaProtection from insectsIncreases rate of growth2Which of the following is an advantage of Bt crops?Does not kill pests that drink cell sap rather than consume the plant tissueResistance to the toxin may developKnock-on effect on the food chainMinimises the need for chemical pesticides3What is the best definition for ‘biological control’?Genetically modifying plants to produce toxins against pestsUsing chemical pesticides to control pestsUsing the pests’ own natural predators to control themUsing fertilisers to provide essential minerals to the soil4What is a disadvantage of using inorganic fertilisers?They add essential minerals to the soilThey can be washed away into water systemsThey can kill pestsThey improve plant growth
Insects can be both useful and harmful to crop plants. Insects such as bees pollinate or cross pollinate flowers. Some insects eat crops and other insects eat the insects that eat crops.Corn borers are insects that eat maize plants. A toxin produced by the bacterium Bacillus thuringiensis kills insects. Scientists grow Bacillus thuringiensis in large containers. The toxin is collected from the containers and is sprayed over maize crops to kill corn borers.A company has developed genetically modified (GM) maize plants. GM maize plants contain a gene from Bacillus thuringiensis. This gene changes the GM maize plants so that they produce the toxin.How did the scientists transfer the gene from Bacillus thuringiensis to maize plants?Genes are added only once the plant is developed by injecting enzymes are used to both remove unwanted and insert desired genes.Genes are added early on in the development process by gene splicing. Enzymes are used to both remove unwanted and insert desired genes.The genes of Bt toxin can only be added to certain plants, by spraying them with the Bt toxin gene.Genes are added only in the late development process by gene splicing. Enzymes are used to both remove and inserted genes.I DON'T KNOWSUBMIT ANSWER
Bacillus thuringiensis is used to control
Direct DNA transfer method(s) used for plant genetic engineering is(are)(A) microparticle bombardment(B) electroporation(C) polyethylene glycol treatment(D) Agrobacterium-mediated transformation
Bt cotton is a special kind of cotton plant. It contains a bacterial gene coding for a toxin that disrupts the digestive system of caterpillars, killing them.Propose how the Bt cotton plant was first produced and the need for it.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.