One gene controls the expression of another gene

Its depends if the gene is dominate or not

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.

The principle of independent assortment describee how different genes independently separate from one another when reproductive cells develop.