Which of the following is required for microinjection method of gene transfer?
A
Microparticles
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B
Micropipettes
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C
Divalent cations
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D
UV radiations
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Solution
The correct option is B Micropipettes
Micro-injection method is the direct or vectorless method of gene transfer, in which foreign DNA is directly injected into the nucleus of animal cell or plant cell by using micro-needles or micro-pipettes. It is used to transfer DNA in oocytes, eggs and embryo.