Principle of Inheritance and VariationHard

Question

Plasmid is

Options

A.fragment of DNA which acts as vector
B.a fragment which joins two genes
C.mRNA which acts as carrier
D.autotrophic fragment

Solution

A plasmid is a piece of DNA mostly in bacteria (but also in yeast) not forming a part of normal chromosomal DNA of a cell, capable of relpicating independently of it. These often act as vehicles for gene transfer.

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