Answer :
Therefore, the correct answer is:Recombinant bacteria will show both B and A markers.In a bacterial cross in which the donor (hfr) is a b and the recipient strain (f) is ab, it is expected that recombinant bacteria will show both B and A markers.
In a bacterial cross in which the donor (hfr) is a b and the recipient strain (f) is ab, it is expected that recombinant bacteria will show both B and A markers.
What is bacterial cross?A bacterial cross is a method of genetic recombination in which genetic material is exchanged between two bacteria.
In bacterial recombination, bacterial cells mix their genes, resulting in genetic variation and novel characteristics.
In a bacterial cross in which the donor (hfr) is a b and the recipient strain (f) is ab, it is expected that recombinant bacteria will show both B and A markers.
In other words, during the conjugation process, the F plasmid transfers to the recipient cell.
The Hfr chromosome is transferred, but not in its entirety, and the mating process is not completed.
The transfer can occur at various points along the chromosome, resulting in the recipient cell receiving only some of the donor cell’s genes and retaining some of its own.
Therefore, the correct answer is:Recombinant bacteria will show both B and A markers.
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