سلام
توی کتاب کمپبل حلد دوم نوشته:
Comparing their genes with
the genes of infected individuals, researchers learned that resistant
people have an unusual form of a gene that codes for
an immune cell-surface protein called CCR5
منظور از این قسمت مشخص شده چیه؟لطفا توضیح بدید.ممنون
