Transgenic Plant
Plants derived sexually from the same plant are____ while those derived from somatic tissue from the same plant are____.

identical, different
different, also different
different, identical
plants cannot be derived from somatic tissue

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Transgenic Plant
Transgenic plants

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

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Transgenic Plant
Antisense technology

combines organelles and cells
selectively blocks expression of a gene
alters or transfers cells
combines genetic material from different species

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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

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

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