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在种族主义环境中解读遗传:贝西·海德作品中的表观遗传学想象

Reading heredity in racist environments: epigenetic imaginaries in Bessie Head's .

作者信息

Hemsley Frances

机构信息

School of English, University of Leeds, Leeds LS2 9JT, UK

出版信息

Med Humanit. 2020 Dec 4. doi: 10.1136/medhum-2020-012016.

Abstract

The field of epigenetics research shows us how we are constructed by what is without-materially, socially and environmentally-while also taking us beyond narrow genetic determinants of heredity. If misappropriated, epigenetics research risks pathologising particular social or ethnic groups as biologically damaged. However, epigenetics may also allow us to better conceptualise the biopsychosocially constitutive nature of racist environments. In this article, I argue that epigenetic understandings of embodiment allow us to follow Achille Mbembe's recommendation: that to account for postcolonial relations of power-their effectiveness and psychology-we need to go beyond the binary categories (like passivity vs resistance) so frequently deployed in the analysis of domination. To demonstrate this, I offer a literary example from apartheid South Africa. In Bessie Head's , embodiment is imagined as the hereditary effect of segregated environmental space. thus offers something like a literary imagining of the epigenetic (as a material change that is heritable), before contemporary advances in epigenetics research made the connection between environment and embodiment more sensible in molecular terms. Head radically calls into question the certainty of biological identity: characters are 'marked' deterministically by their environments but ultimately the mutability of such 'epigenetic' markers is revealed when the individual transcends apartheid's spatial and racial demarcations. Writing in the context of apartheid, Head's engagement with non-genetic understandings of identity is a motivated attempt to evade the stigmatising categories and 'genetic' assumptions of scientific racism, which constructed races as biologically distinct (modern genetic science shows us that there is no genetic basis for 'race'). Instead, Head positions environmental spaces, including the Indian Ocean (a conduit for South Asian arrivals and for new philosophies and the potential political affiliations that arrive with them) as points of genealogical origin and as constitutive of identity in non-deterministic ways.

摘要

表观遗传学研究领域向我们展示了我们是如何由外在因素——物质、社会和环境方面的因素——构建而成的,同时也让我们超越了遗传的狭隘基因决定因素。如果被滥用,表观遗传学研究可能会将特定的社会或族裔群体病态化为生物受损群体。然而,表观遗传学也可能使我们能够更好地理解种族主义环境的生物心理社会构成本质。在本文中,我认为对具身性的表观遗传学理解使我们能够遵循阿奇勒·姆贝姆贝的建议:要解释后殖民权力关系——它们的效力和心理——我们需要超越在统治分析中经常使用的二元类别(如被动与抵抗)。为了证明这一点,我提供一个来自种族隔离时期南非的文学例子。在贝西·海德的作品中,具身性被想象为隔离环境空间的遗传效应。因此,在表观遗传学研究取得当代进展,使环境与具身性之间的联系在分子层面上更易理解之前,海德的作品就提供了一种类似对表观遗传学的文学想象(作为一种可遗传的物质变化)。海德从根本上质疑了生物身份的确定性:人物被其环境确定性地“标记”,但当个体超越种族隔离的空间和种族界限时,这种“表观遗传”标记的可变性最终会显现出来。在种族隔离的背景下写作,海德对身份的非基因理解是一种有动机的尝试,旨在规避科学种族主义的污名化类别和“基因”假设,科学种族主义将种族构建为生物学上不同的群体(现代基因科学表明“种族”没有基因基础)。相反,海德将环境空间,包括印度洋(南亚人到来的通道,以及新哲学和随之而来的潜在政治联系的通道)定位为谱系起源点,并以非确定性的方式构成身份。

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