Retroviruses are disarmed before using to deliver desirable genes into animal cells. Why?

Consider the following statements and identify the correct statements . I. While using genes encoding antibiotic resistance as selectable markers, such genes are selected for which hots in naturally resistance . II. Restriction site of Pvull is present in a "amp"^(2) gene . III. Ti plasmid is most widely used in gene transfere in all palnts . IV. Retrovirues are directly used (unchanged ) to deliver desirable genes into animal cells .

Which of the following is used to deliver , a desirable gene into an animal cell ?

Which of the following is used to deliver , a desirable gene into an animal cell ?

What is the source of the Ti (Tumour inducing) plasmid which is modified and used as a cloning vector to deliver the desirable genes into plant cells ?

What is the source of the Ti (Tumor inducing) plasmid which is modified and used as a cloning vecotr to deliver the desirable genes into plant cells?

What is the source of the Ti (Tumor inducing) plasmid which is modified and used as a cloning vecotr to deliver the desirable genes into plant cells?

What is the source of Ti (tumour inducing) plasmid, which is modified and used as a cloning vector to deliver the diserable genes into plant cells?

Name the common vectros used to deliver desriable genes into plants and animals respectively . I. Ti -Plasmid II. Retrovirus III . F - Plasmid " " IV . Bacteriophage .

Name three different marker genes used in gene transfer in animal cells.