Transgenic Plant
Transgenic plants

both (a) and (b)
are plants that differ in geographical locations
are used to produce human antibodies
contain foreign genes in their cells

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Transgenic Plant
Transplastomics

offers little opportunity for practical use
targets genes in the chloroplast
produces genes that are released in pollen
provides exceptionally low yields of protein products

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Transgenic Plant
Which of the following has been widely used to provide resistance against plant viruses?

Expression of ribonuclease (RNase) genes in host plants
Expression of anti-virus genes in vectors that transmit viruses
Virus resistance genes from bacteria
Expression of virus coat protein genes in transgenic plants

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Transgenic Plant
In transgenic plants that have been manipulated to express patho-genesis-related (PR) proteins all the time it has been shown that

these provide no protection at all against pathogens
these proteins trigger the production of other antimicrobial defenses
expression of one PR protein provides high levels of protection against many pathogens
expression of two PR proteins provides some protection against a few pathogens

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