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The Figure Below Depicts Changes to the Amount of DNA

question 7

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The figure below depicts changes to the amount of DNA present in a recipient cell that is engaged in conjugation with an Hfr cell. Hfr cell DNA begins entering the recipient cell at Time A. Assume that reciprocal crossing over occurs (in other words, a fragment of the recipient's chromosome is exchanged for a homologous fragment from the Hfr cell's DNA) . The figure below depicts changes to the amount of DNA present in a recipient cell that is engaged in conjugation with an Hfr cell. Hfr cell DNA begins entering the recipient cell at Time A. Assume that reciprocal crossing over occurs (in other words, a fragment of the recipient's chromosome is exchanged for a homologous fragment from the Hfr cell's DNA) .   - How is the recipient cell different at Time D than it was at Time A? A)  It has a greater number of genes. B)  It has a greater mass of DNA. C)  It has a different sequence of base pairs. D)  It contains bacteriophage DNA.
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How is the recipient cell different at Time D than it was at Time A?


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