托妮.莫里森的《所罗门之歌》涉及了美国黑人的生理遗传和家族精神的遗传。这篇文章首先透过主人公奶娃及其姑母派拉特的人生轨迹来记载奶娃一家三代在家族精神遗传方面的骄傲;其次,从人类遗传学角度分析奶娃家族黑色皮肤遗传的必然,以此来揭示作为黑人在生理遗传方面所遭遇的难以磨灭的歧视。 Toni Morrison’s Song of Solomon relates to the hermaphroditic and familial spirit of African Americans. This article first records the proudness of the three generations of the baby’s family genetics through the trajectory of the heroine’s baby and her aunt, Pratt, and secondly, analyzes the inevitability of the inheritance of the black skin of the baby family from the perspective of human genetics This reveals the indelible discrimination that blacks encounter in their physical and genetic aspects.