Complex sentence: If the hypothesis is correct it would imply that eukaryotes are very close to archea and appeared relatively late in contrast with the current view that states that archea and eukarya branched off before the modern groups of archea appeared.
Split into simpler sentences: If the hypothesis is correct it would imply that eukaryotes are very close to archea and appeared relatively late. This contradicts the current view which states that archea and eukarya split before the modern groups of archea appeared.