All the following statements about Stanley Cohen and Herbert Boyer are correct but one is wrong. Which one is wrongA. They discovered recombinant DNA (r-DNA) technology which marked the birth of modern biotechnologyB. They first produced. Healthyl sheep clone, a Finn Dorst lamb, Dolly from the differentaited adult mammary cells.C. They invented genetic engineering by combining a piece of foreign DNA containing a gene from a bacterium with a bacterial (E coli) plasmid using the enzyme restriction endonucleaseD. They isolated the antibiotic resistance gene by cutting out a piece of DNA from a plasmid which was responsible for conferring antibiotic resistance .

All the following statements about Stanley Cohen and Herbert Boyer are

1.	All the following statements about Stanley Cohen and Herbert Boyer are correct but one is wrong. Which one is wrongA. They discovered recombinant DNA (r-DNA) technology which marked the birth of modern biotechnologyB. They first produced. Healthyl sheep clone, a Finn Dorst lamb, Dolly from the differentaited adult mammary cells.C. They invented genetic engineering by combining a piece of foreign DNA containing a gene from a bacterium with a bacterial (E coli) plasmid using the enzyme restriction endonucleaseD. They isolated the antibiotic resistance gene by cutting out a piece of DNA from a plasmid which was responsible for conferring antibiotic resistance .
Answer» Correct Answer - B

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Which one of the following techniques made it possible to gnetically engineer living organisms ?A. Heavier isotope labellingB. HybridizationC. Recombinant DNA techniquesD. X-ray difraction
Which of the following bonds are formed by action of DNA ligase ?A. Sugar-phosphate bondB. Phosphodiester bondC. Phosphate-phosphate bondD. Both (1) & (2)
Who is given for constructing first atrificial recombinant molecule ?A. Hargovind KhoranaB. Staniey Cohen and Herbert BoyerC. Linus paulingD. Arber and Nathans
In recombinant DNA technology, a plasmid vector is cleaved byA. Modified DNA ligaseB. A heated alkaline solutionC. The same enzyme that cleaves donor DNAD. Different enzyme that cleaved the donor DNA
Who among the following was awarded the Nobal Prize for the development of PCR technique ?A. Herbert BoyerB. Hargovind KhuraneC. Kary MullisD. Athur Kornberg
Who among the following was awarded the Nobal Prize for the development of PCR technique ?A. Herbert BoyerB. Kary MullisC. Rene DescratesD. Andrew Fire
Which is used in gene cloningA. NucleoidsB. LomasomesC. MesosomesD. Plasmids
pBR322 was the first attificila cloning vector to be constructed. What does "BR" stands for ?A. Bacteriophage and RecombiantB. Boliver an RodriguezC. Boyer and ReplicativeD. None of these
The DNA molecule to which the gene of interset is integrated for cloning is calledA. CarrierB. TransformerC. VectorD. Template
The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because ofA. Insertional inactivation of alpha - galactosidase in non-recombinant bacteriaB. Insertional inactivation of alpha - galactosidase in recombinant bacteriaC. Inactivation of glycosidase enzyme in recombinant bacteriaD. Non-recombinant bacteria containing beta-galactosidase

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