Which of the following statements about the vector is incorrect?

All vectors are plasmids

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Phages can be used as vectors

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Vectors transport DNA into the host cell

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A vector should always harbour a selectable marker

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Solution

The correct option is A All vectors are plasmids
A cloning vector is a fragment of DNA which is capable of self-replication and stable maintenance inside the host organism. It can be extracted from a virus or plasmid. Most of the cloning vectors are genetically engineered.

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Q. In genetic engineering, a DNA segment (gene) of interest is transferred to the host cell through a vector. Consider the following four agents in this regard and select the correct option about which one or more of these can be used as a vector/vectors?
(i) Bacterium
(ii) Plasmid
(iii) Plasmodium
(iv) Cosmids

(v) Enzyme

Q. In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (A-D) in this regard and select the correct option about which one or more of these can be used as a vector/vectors.
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(B) Plasmid
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Q. Which of the following are limitations of using plasmids as vectors?

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector.
Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these can be used as a vector/vectors
(i) Bacterium (ii) Plasmid (iii) Plasmodium (iv) Bacteriophage

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Which of the following statements about the vector is incorrect?

The correct option is A All vectors are plasmids A cloning vector is a fragment of DNA which is capable of self-replication and stable maintenance inside the host organism. It can be extracted from a virus or plasmid. Most of the cloning vectors are genetically engineered.

The correct option is A All vectors are plasmids
A cloning vector is a fragment of DNA which is capable of self-replication and stable maintenance inside the host organism. It can be extracted from a virus or plasmid. Most of the cloning vectors are genetically engineered.