Which is not a method used in genetic engineering?

a gene is removed.

a gene is inserted to make a mutation inactive.

a synthetic gene is created.

Third option is correct.

Explanation:

Genetic engineering is a method of artificial manipulation, modifications and recombination of genes to modify the population of any organisms.

In this type pf engineering, genes get inserted to make a mutation inactive or a gene is removed.

But no synthetic gene is created by this process.

Hence, third option is correct.

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

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