Question

Genes can be inserted into human cells by

• A. PCR
• B. Xenotransplantation
• C. Modified viruses
• D. Modified microarrays

Answer 1

Answer: (C)

Modified viruses

C. Modified viruses

Solution : Modified viruses and their cos sites play a great role as vectors for inserting genes into cells. PCR is used for amplifying a small DNA fragment and microarrays are used for gene expression studies and xenotransplantation is grafting of new tissues into animals.

So the correct answer is " Modified viruses"