Which of the following correctly defines a transgenic animal?

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

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Similar Questions

More than $95$ percent of all existing transgenic animals are $Y$.

Assertion: Animals that have had their $\text{DNA}$ manipulated to possess and express an extra (foreign) gene are known as transgenic animals.
Reason: Transgenic animals are made that carry genes which make them less sensitive to toxic substances than non-transgenic animals.

In cattle cloning,the zygote is taken out of the mother's uterus and ... .

What is genetic engineering useful for producing?

Transgenic animals are animals in which a foreign gene is expressed. Such animals can be used to study fundamental biological processes and phenomena, as well as for producing products useful for mankind. Give one example for each type.

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