The Figure Below Depicts Changes to the Amount of 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) . Use this figure to answer the following questions.

-During which two times can the recipient accurately be described as "recombinant: due to the sequence of events portrayed in the above figure?

A) during Times C and D
B) during Times A and C
C) during Times B and C
D) during Times A and B
E) during Times B and D

Correct Answer:

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