第二,
医生話:Albinism, a condition whereby a person has little or no color in their skin, hair and eyes, can remain dormant in genes for many generations. Just because the couple's living relatives aren't afflicted by the disease, that doesn't mean they aren't carriers. It is not uncommon in Nigeria, according to the BBC.
都未必唔係白化
第三, 而且,
"Doctors also say Nmachi's parents may harbor long dormant Caucasian DNA from a long forgotten interracial coupling."