Conjugation: direct DNA transfer between two cells
• Hfr strain: contains F-factor (fertility factor)
• F– strain: does not contain F-factor
What benefit does the F- strain receive from mating with an Hfr strain?
A. It becomes an F+ cell.
B. It acquires new, potentially beneficial genes from the Hfr strain.
C. It picks up a fertility factor.
D. It can now produce sex pili.
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