the blood allergies would be from black humans. white and asian humans have been cross breeding for 200,000 years, black humans have only been cross breeding with whites and asians for about 500 years. black humans have blood types that are great for living with parasites without harm to them, this trait was not needed in whites and asians, blacks cross breeding has created so many new unique blood types.
the blood allergies would be from black humans.
white and asian humans have been cross breeding for 200,000 years, black humans have only been cross breeding with whites and asians for about 500 years.
black humans have blood types that are great for living with parasites without harm to them, this trait was not needed in whites and asians, blacks cross breeding has created so many new unique blood types.