In genetic exchange by conjugation,a single Hfr strain will transfer the entire bacterial chromosome to the recipient,allowing mapping in minutes from the first gene entering to the last one before the other half of the inserted F factor.

Question

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During conjugation, the transfer of the entire bacterial chromosome from an Hfr strain to a recipient is often interrupted before completion due to the fragility of the mating pair, making it rare for the entire chromosome to be transferred and mapped in such a short timeframe.

In Genetic Exchange by Conjugation,a Single Hfr Strain Will Transfer