KEY TERMS

isoenergetic

site-specific recombination

transposable element

transposon

transposition

lysogenic pathway

prophage

lytic pathway

Cre-lox

bacterial transduction

phase variation

donor site

target site

transposase

cointegrate

retrotransposable element

retrotransposon

reverse transcriptase

extrachromosomally primed (EP) retrotransposon

integrase

target-primed (TP) retrotransposon

insertion sequence

composite transposon

complex transposon

retrovirus

complementary DNA (cDNA)

DDE motif