Transgenic Bt crops have been genetically modified to_. resist common herbicides

Question

Transgenic Bt crops have been genetically modified to_. resist common herbicides have increased protein content produce an insecticide be tolerant of salt in the soil grow faster A transgenic crop is created by artificial selection selective breeding transfer of a genetic trait from a different species into the plant's cells culturing adult stem cells cutting DNA with restriction enzymes and separating the DNA fragments by size In the creation of a DNA profile, are typically used short tandem repeats introns Exons Plasmids In addition to the promise of disease therapies, the uses of stem cells in medical research include the study of how_. diseases develop and progress before phenotypes are visible Huntington Disease progresses in its latest stage to engineer animal models for human disease to harvest multipotent cells from human blastocysts to fertilize human eggs in vitro A bone marrow transplant is an example of a stem cell therapy using adult stem cells, True False Creating transgenic animal models for human disease research allows scientists to study new drugs and treatments in animals such as mice, before giving these drugs to humans True False The first commercial product made with recombinant DNA techniques was insulin True False Embryonic stem cells are harvested from the inner cell mass of an early stage embryo called a blastocyst. True False Primary infertility is diagnosed when a couple who has had one child has trouble conceiving a second. True False

Explanation / Answer

17. Bacillus thuringiensis (Bt) is a bacterium that produces a crystal protein (Bt toxin) naturally which kills the pests or insects. When Bt gene is transferred into the crops, they are known as bt crops, the potential to kill the pests is then retained by these plants and thus provides protection against these crops from the pests.

Therefore, the correct option is: C.

18. The transgenic crops are defined as those crops where transfers of foreign genes have been inserted into the crop using recombinant DNA technology interventions.

Therefore, the correct option is: C.

DNA fingerprinting or DNA profiling is a versatile technique to identify people based on the DNA characteristics.

Highly variable sequences known as called variable number tandem repeats (VNTRs), microsatellites, and minisatellites.

Therefore, the correct option is: a.

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