Bacterial Conjugation Video Lessons

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Problem: Why does conjugation between an Hfr strain and an F- strain not result in two Hfr strains?A. The cell membranes between the two strands never fuse together.B. Conjugation is typically disrupted before the fertility factor can be transferred.C. The transferred genes typically recombine with the recipient chromosome.D. Hfr strains lack fertility factor.

FREE Expert Solution

Conjugation: direct DNA transfer between two cells

• Hfr strain: contains F-factor (fertility factor)

• F strain: does not contain F-factor


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Problem Details

Why does conjugation between an Hfr strain and an F- strain not result in two Hfr strains?

A. The cell membranes between the two strands never fuse together.

B. Conjugation is typically disrupted before the fertility factor can be transferred.

C. The transferred genes typically recombine with the recipient chromosome.

D. Hfr strains lack fertility factor.

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