In Drosophila, a mutation caused a gene to be relocated close to the centromere. In flies with this mutation, some cells expressed the gene, while the gene remained silent in other cells (of the same cell type). This position effect variegation is due to ___.

Iwolud you, but i dont know what you are asking.

Exposure to solar flares would be the correct answer

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.

What are your options?