describe Different Hfr chromosomes

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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describe Different Hfr chromosomes

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A Hfr strain is a bacterial strain that carries certain genetic factors to facilitate high-frequency gene transfer to recipient cells during the process of conjugation. 

 

Step 2

The ability of Hfr strains to exhibit a higher rate of gene transfer during mating is due to the presence of F factor. The F factor is integrated into its chromosome.  Therefore, all the Hfr strains have an integrated F factor. 

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