Originally, S. invicta was believed to be a red form of the black species S. saevissima richteri Forel. In 1972, Buren described the black imported fire ant to be a separate and distinct species, S. richteri Forel, and the RIFA was identified as S. invicta Buren (Hedges 1997).
Homologous recombination is a type of genetic recombination in which nucleotide (molecules which are joined make the structural units of RNA and DNA) sequences are exchanged between two similar or identical molecules of DNA.
Homologous recombination. If thereâs one thing all genome-editing techniques have in common, itâs that they donât try to reinvent the wheel, molecularly speaking. Rather than devising some new strategy to get cells to implement the desired change, these methods let the cells themselves do the heavy lifting.