Original sentence: The alternative theory is the recent single-origin hypothesis (or Out-of-Africa model).While Out of Africa has clearly emerged as the mainstream view since the 1990s, some recent genetic data challenges this model, continuing the debate between the two viewpoints
Edited sentence: The other theory is the recent single-origin hypothesis (RSOH).To keep RSOH coherent, proponenets of RSOH may somehow negate the DNA sequences, which statistically rejects RSOH, sequences observed already independently in three loci whose lineages were separated more than 1 MYA (see: genethic evidence).While RSOH has clearly emerged as the mainstream view since the 1990s, new challenges have emerged to the RSOH conception