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:

Similar Questions

Palaeontologists unearthed a human skull during excavation. $A$ small fragment of the scalp tissue was still attached to it. Only a little $DNA$ could be extracted from it. If the genes of the ancient man need to be analysed,the best way of getting a sufficient amount of $DNA$ from this extract is:

Separation of $\text{DNA}$ fragments is done by a technique known as :

How many steps are there in one $PCR$ cycle?

Which method is used to amplify a desired gene in large numbers?

How many copies of a gene can be produced from $1$ gene through $30$ cycles of $PCR$?

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