In an Hfr X F- conjugation, ____
a. the Hfr cell can lose chromosomal genes that it transfers to the F- cell
b. the donor cell can become a partial diploid
c. plasmid DNA is transferred from the Hfr cell to the F- cell
d. chromosomal DNA can be transferred from the F- cell to the Hfr cell
e. chromosomal DNA can be transferred from the Hfr cell to the F- cell
ANSWER: e
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