SORU: boş bırakılan yere parçanın anlam bütünlüğünü sağlamak için getirilebilecek cümleyi bulunuz
It is difficult to relate skin colour directly to genetic
inheritance. Dennis Barber, a white bank manager
from Staffordshire, recently discovered that he is
the direct descendant of a black African slave who
was brought to England in the 18th century. ---- It
has been estimated that one in five white British
people has a direct black ancestor and that they
could presumably pass on their genes to the next
generation as well