One antibiotic resistant gene helps in selecting transformants, whereas the other antibiotic gene gets inactivated due to insertion of alien DNA, and helps in selection of recombinants. This is a line of NCERT PG 199-200. Here what is difference between transformants and recombinants?

Transformants are one into which the foreign vector has been introduced. But only the bacteria which accept the foreign plasmid (or vector) is called recombinant.

 

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The cells that take up DNA (either recombinant or non recombinant) are known as transformants.The cells that take only recombinant?DNA are known as recombinants.?
These transformants?are selected on the basis of intact antibiotic resistance gene while transformants having recombinant vector are selected on the basis of inactivation of resistance gene.?
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