A Great Variety of Transposable Elements Exist in Eukaryotes

Multiple Choice

A great variety of transposable elements exist in eukaryotes. Some resemble transposable elements in prokaryotes, having terminal inverted repeats, and transpose as DNA. Others are retrotransposons with long direct repeats at their ends and transpose through an RNA intermediate
-Hybrid dysgenesis results when

A) a male fly with P elements (P⁺) mates with a female fly that lacks P elements (P^-) .
B) a P^- male mates with a P⁺ female.
C) a P⁺ male mates with a P⁺ female.
D) a P^- male mates with a P^- female