In short, Livingstone and Dobzhansky agree that there are genetic differences among human beings; they also agree that the use of the race concept to classify people, and how the race concept is used, is a matter of social convention.
Livingstone d Dobzhansk ardahan as illan anmizlayan daɣ etari daɣ addinat; ardahan har ajjudi fal axadam n isim wan tawset i askut n addinat d immik wa s exdam isim wan tawset ,eqqal anafham n tamazduq