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Transcript
Conjugation – Answer Sheet Occasionally two bacteria can exchange DNA by structure called the sex pilus conjugation. Two cells align, and one will form a . That same cell (the so called `male' cell) begins to copy part of its DNA which it will pass to the ‘female’ cell through the pilus. This recipient will, as in transformation, integrate the DNA into its chromosome by recombination, and will acquire new traits due to the new genes encoded in the DNA that was transferred. Complete the following matching questions to do with Conjugation 1. C Two cells align close to one another. 2. D The `male' cell produces a `sex' pilus which attaches to the `female' cell. 3. A A piece of the `male' DNA (reproduced) is transferred via the `sex' pilus to the `female'. 4. B 5. E A. B. The `sex' pilus is removed and a piece of the `male' DNA is left in the `female' cell. C. The `female' cell incorporates a fragment of the DNA into its own DNA. D. E.
