Answer Happy

K3. Which two of the following statements about DNA transposonsand retrotransposons are TRUE? 1. DNA transposons are autonomousand retrotransposons are non-autonomous. 2. DNA transposons arefound only in plants and flies while retrotransposons are foundonly in humans. 3. DNA transposons are acted on directly by DNAtransposase, while retrotransposons transpose via a transcribed RNAintermediate. 4. DNA transposons are flanked by inverted repeatsequences while retrotransposons have either direct repeats or norepeats.
A. 2 and 3
B. 3 and 4
C. 2 and 4
D. 1and 2
E. 1and 3
B IS CORRECT PLEASE PROVIDE EXPLANATION AS WHY IT IS. THANKYOU