Select the correct statements from the follow | vedclass

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(D) The correct statement is $D$. The first step in $PCR$ is denaturation,which involves heating the $DNA$ to approximately $94-98^{\circ}C$ to separa

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The first step in $PCR$ is heating which is used to separate both the strands of gene of interest.

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(D) The correct statement is $D$. The first step in $PCR$ is denaturation,which involves heating the $DNA$ to approximately $94-98^{\circ}C$ to separate the two strands of the gene of interest.Option $A$ is incorrect because $DNA$ from different organisms can be joined (recombinant $DNA$ technology).Option $B$ is incorrect because genetic engineering is widely and successfully used in plants (e.g.,$Bt$ cotton).Option $C$ is incorrect because there are ethical and safety concerns (biosafety) associated with $r-DNA$ technology.

Select the correct statements from the following:

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