Gene expression can be controlled with t...

Gene expression can be controlled with the help of RNA. Explain the method with an example.

Text Solution

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This can be done with RNA interference (RNA) technique by gene silencing. Here complementary RNA to mRNA formed by gene is introduced in the cell, where this complementary RNA will bind to mRNA. Thus RNA becomes double stranded. It stops the step of translation. Example: In tomato, resistance to nematode (Meloidogyne incognita) has been developed by gene silencing technique.

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Gene control

protein synthesis but not heredity

protein synthesis and heredity

biochemical reaction of some enzymes

heredity but not protein synthesis

Gene controls

Heredity but not protein synthesis

Protein synthesis but not heredity

Both heridity and protein synthesis

Biochemical action of some enzymes

Expression of gene is controlled in eukaryotes

at one place in the nucleus

at many places in the nucleus

at many places in the cell

cannot be controlled at all