Home Biology Biotechnology and Its Application Biotechnology Application in Agriculture Which of the following correctly defines a t…
Biology Biotechnology and Its Application Biotechnology Application in Agriculture Single Correct MCQ
Published on: August 12, 2026

Which of the following correctly defines a transgenic animal?

A
An animal which has foreign DNA in all its cells because of an injection of DNA into the nuclei of the zygote from which it in developed
B
An animal which has foreign DNA and RNA in some of its cells because of an injection of DNA into the nuclei of same of the cells is adulthood.
C
An animal which has foreign DNA and RNA in some of its cells because an injection of DNA and RNA into the nucleus of the zygote from which it is developed
D
An animal which has foreign DNA is some of its cells because of an injection of DNA into the nuclei of some of the cells of the blastomeres

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Verified by Experts
The correct answer is:
A

A transgenic animal is one that carries foreign DNA in all its cells, because the foreign gene is introduced into the zygote (fertilized egg) at an early stage, so it gets incorporated into all developing cells of the organism.

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