sentences:  In keeping with the concept of "Y-chromosomal Adam" given to the patrilineal ancestor of all living humans, CT-M168 has therefore also been referred to in popularized accounts as being the lineage of "Eurasian Adam" or "Out of Africa Adam"; because, along with many African Y-lineages, all non-African Y-lineages descend from it.No male in paragroup CT* has ever been discovered in modern populations.This means that all males carrying this haplogroup are also defined as being in one of the several major branch clades.