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Animal Breeding and Transgenic Animal

Animal Breeding and Transgenic Animal
In transgenic fish, the genes are introduced by

microinjection in fish
transfer of whole nuclei
viruses
all of these

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Animal Breeding and Transgenic Animal
Genetic change can occur only in

four ways
two ways
one way
three ways

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Animal Breeding and Transgenic Animal
Which of the following is/are the method of transfection for making transgenic animals?

Transfer of DNA
Transfer of whole nuclei
All of these
Transfer of whole individual chromosomes or fragment

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Animal Breeding and Transgenic Animal
Fusion of karyoplast with the enucleated cell is achieved in presence of

cytochalasin B
alcohol
polyethylene glycol
both (a) and (b)

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Animal Breeding and Transgenic Animal
The success of embryo transplantation depends upon the ability to obtain an increased number of embryos from animals of superior genetic merit, which can be achieved by the use of

endogenous gonadatrophic hormones
both (a) and (b)
exogenous gonadatrophic hormones
FSH (Follicle Stimulating Hormone)

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Animal Breeding and Transgenic Animal
When the cells are enucleated and centrifuged, nuclei

None of these
detach from cell and remain in the supernatant
detach from cell and settle at the bottom
nuclei remain attached to the cell

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