Baby Nmachi may not be a novel genetic mutation nor an albino. Ihegboro sounds like a delta name. There has been sexual contact between white men (traders, slavers, missionaries, civil servants etc.) and black women for centuries along the Bight of Benin and Biafra. Its not out of the realms of possibility that caucasian genes entered a few generations ago on both sides, as seems required to explain the white baby born of Nigerian parents. See also here and here.