All of the Following Factors Can Cause Rapid Evolutionary "Jumps

Multiple Choice

All of the following factors can cause rapid evolutionary "jumps" except ________.

A) single alleles with major effects on life history
B) hybridization between species, producing a form that differs from both parents
C) stabilizing selection on homeotic genes
D) horizontal gene transfer between unrelated organisms
E) transposable genetic elements, or transposons