In this paper, I will present the empirical version of the slippery slope argument (SSA) in the field of genome editing. According to the SSA, if we adopt germline manipulation of embryos we will eventually end up performing or allowing something morally reprehensible, such as new coercive eugenics. I will investigate the actual possibility of sliding towards eugenics: thus, I will examine enhancement and eugenics both in the classical and liberal versions, through the lens of SSA. In the first part, (...) I will discuss the classical eugenics from a historical perspective and conclude that classical eugenics is morally deplorable; but by currently accepting genome editing I argue that it is not possible to ‘slip’ into classical eugenics. Then, I will analyze liberal eugenics: I will consider Habermas’ and Sandel’s objections to liberal eugenics and genetic human enhancement. Subsequently, I will reply to these arguments affirming that, although it is not possible to refuse any form of genetic enhancement, liberal eugenics would not consider the principles of justice, non-maleficence, and non-instrumentalization; hence, it should be considered not morally acceptable. In addition, I will support the thesis according to which the possibility of relapsing into liberal eugenics is more likely than relapsing into classical eugenics. Then, I will present a strategy that, while avoiding falling into the undesirable scenarios related to SSA, still accepts some application of germline genome editing of embryos and gametes. In such a way, I will show that even if we accept the plausibility of a certain slip into an undesirable scenario, SSA does not offer conclusive reasons to forbid any use of germline genome editing technique in both therapeutic and enhancement fields. (shrink)

Comparisons between germline gene editing using CRISPR technology and a renewal of eugenics are evident in the current bioethical discussions. This article examines the different roles of such references to the past. In the first part, the alleged parallels between gene editing of the germline and eugenics are addressed from three perspectives: First, the historical adequacy of such comparisons is questioned. Second, it is asked whether the evils of the past can in fact be attributed to (future) practices of germline (...) gene editing. Third, it is discussed whether the alleged hazards of eugenics should in fact universally be condemned from a moral perspective. The article attempts to show that references to the eugenic past to rebut gene editing are highly selective and should be abandoned to allow for a more transparent ethical discourse. While the comparison with a eugenic past is frequently drawn by opponents of germline gene editing, the remaining part of this article investigates historic references from the proponents of germline gene editing. It is argued that they also employ different narratives of the past to justify their own liberal position. While such references are equally problematic, some lessons from the history of eugenics will be spelled out that can inform future debates on germline gene editing. (shrink)

Eugenics is often referred to in debates on the ethics of reproductive technologies and practices, in relation to the creation of moral boundaries between acceptable and unacceptable technologies, and acceptable and unacceptable uses of these technologies. Historians have argued that twentieth century eugenics cannot be reduced to a uniform set of practices, and that no simple lessons can be drawn from this complex history. Some authors stress the similarities between past eugenics and present reproductive technologies and practices (what I define (...) throughout the paper as ‘the continuity view’) in order to condemn the latter. Others focus on the differences between past and present practices (what I define throughout the paper as ‘the discontinuity view’) in order to defend contemporary reproductive technologies. In this paper, I explore the meanings of the word ‘eugenics’ and the relationship between its past and present uses in terms of contemporary debates on reproductive technologies and practices. I argue that moral disagreement about present technologies originate in divergent views of condemnable and justifiable features of the past. (shrink)

In this paper, I explore the “expressivist critique” of the use of prenatal testing to select against the birth of persons with impairments. I begin by setting out the expressivist critique and then highlighting, through an investigation of an influential objection to this critique, the ways in which both critics and proponents of the use of technologies of genetic selection negotiate a difficult set of dilemmas surrounding the relationship between genes and identity. I suggest that we may be able to (...) advance the debate about these technologies by becoming more aware of the ways in which this debate is itself in part a political contestation over this relationship. Ultimately, I will argue, the real force of the expressivist objection lies in its capacity to draw our attention to political questions about the role of the state and about relationships between different social groups rather than between parents and prospective children. That is to say, crucial issues, when evaluating the force of this criticism, turn out to be: the nature of the institutions which determine how decisions about prenatal selection are made; and how we think of each other, that is, what we take to be the defining characteristics of human beings. Paradoxically, arguments about the ethics of the “sorting society”, both supportive and critical, are an important arena in which these institutions and these ideas about identity are contested and shaped. An increased awareness of the reflexive nature of the process of debating these issues may assist us in better negotiating them. (shrink)

Criminal behaviour is but one behavioural tendency for which a genetic influence has been suggested. Whilst this research certainly raises difficult ethical questions and is subject to scientific criticism, one recent research project suggests that for some families, criminal tendency might be predicted by genetics. In this paper, supposing this research is valid, we consider whether intervening in the criminal tendency of future children is ethically justifiable. We argue that, if avoidance of harm is a paramount consideration, such an intervention (...) is acceptable when genetic selection is employed instead of genetic enhancement. Moreover, other moral problems in avoiding having children with a tendency to criminal behaviour, such as the prospect of social discrimination, can also be overcome. (shrink)

Recently there has been a revival of interest in the theory and practice of eugenics by both academics and lay people. The ongoing revolution in biology and the increasing ability to acquire genetic information has led to concerns about genetics being used again for sinister eugenic ends. Although the goals behind traditional eugenics - the minimization of disease and the improvement of human health - remain unchanged, the means by which these goals should be achieved have altered significantly. However, in (...) debates about the impact of human genetic research, eugenics is sometimes viewed as a purely historical phenomenon and its relevance to the current situation is minimized. This article outlines the history of the eugenics movement, describes some eugenic practices, and explores why an appreciation of these historical debates is important for nurses. (shrink)

The ethical guidelines for prenatal diagnosis proposed by the World Health Organisation , as well as by national regulations, only refer to paternity and gender of the fetus as unacceptable, disease-unrelated criteria for prenatal selection, as no other such parameters are at hand so far. This perspective is too narrow because research on complex genetic systems such as cognition and ageing is about to provide clinically applicable tests for genetic constituents of potentially desirable properties such as intelligence or longevity which (...) could be misused as parameters for prenatal diagnosis. Moreover, there is an increasing number of prenatally testable genetic traits, such as heritable deafness, which are generally regarded as pathological but desired by some prospective parents and taken into account as parameters for pro-disability selection. To protect prenatal diagnosis from ethically unacceptable genetic consumerism, guidelines must be clarified as soon as possible and updated towards a worldwide restriction of prenatal genetic testing to immediately disease-determining traits. (shrink)

The intention of this course, which will be held at the Inter-University Centre, Dubrovnik, Croatia from 18 - 23 June, 2001, is to address ….

The past few years have brought significant breakthroughs in understanding human genetics. This knowledge has been used to develop ‘polygenic scores’ (or ‘polygenic risk scores’) which provide probabilistic information about the development of polygenic conditions such as diabetes or schizophrenia. They are already being used in reproduction to select for embryos at lower risk of developing disease. Currently, the use of polygenic scores for embryo selection is subject to existing regulations concerning embryo testing and selection. Existing regulatory approaches include ‘disease-based' (...) models which limit embryo selection to avoiding disease characteristics (employed in various formats in Australia, the UK, Italy, Switzerland and France, among others), and 'laissez-faire' or 'libertarian' models, under which embryo testing and selection remain unregulated (as in the USA). We introduce a novel 'Welfarist Model' which limits embryo selection according to the impact of the predicted trait on well-being. We compare the strengths and weaknesses of each model as a way of regulating polygenic scores. Polygenic scores create the potential for existing embryo selection technologies to be used to select for a wider range of predicted genetically influenced characteristics including continuous traits. Indeed, polygenic scores exist to predict future intelligence, and there have been suggestions that they will be used to make predictions within the normal range in the USA in embryo selection. We examine how these three models would apply to the prediction of non-disease traits such as intelligence. The genetics of intelligence remains controversial both scientifically and ethically. This paper does not attempt to resolve these issues. However, as with many biomedical advances, an effective regulatory regime must be in place as soon as the technology is available. If there is no regulation in place, then the market effectively decides ethical issues. (shrink)

Lionel Penrose (1898–1972) was an important leader during the mid-20th century decline of eugenics and the development of modern medical genetics. However, historians have paid little attention to his radical theoretical challenges to mainline eugenic concepts of mental disease. Working from a classification system developed with his colleague, E. O. Lewis, Penrose developed a statistically sophisticated and clinically grounded refutation of the popular position that low intelligence is inherently a disease state. In the early 1930s, Penrose advocated dividing “mental defect” (...) (low intelligence) into two categories: “pathological mental defect,” which is a disease state that can be traced to a distinct genetic or environmental cause, and “subcultural mental defect,” which is not an inherent disease state, but rather a statistically necessary manifestation of human variation in intelligence. I explore the historical context and theoretical import of this contribution, discussing its rejection of typological thinking and noting that it preceded Theodosius Dobzhansky’s better-known defense of human diversity. I illustrate the importance of Penrose’s contribution with a discussion of an analogous situation in contemporary medicine, the controversial practice of using human growth hormone injections to treat “idiopathic short stature” (mere diminutive height, with no distinct cause). I show how Penrose’s contributions to understanding human variation make such treatments appear quite misguided. (shrink)

The 20th century eugenics movement in the USA and contemporary practices involving prenatal screening (PNS), prenatal diagnosis (PND), abortion and preimplantation genetic diagnosis (PGD) share important morally relevant similarities. I summarise some features of the 20th century eugenics movement; describe the contemporary standard of care in the USA regarding PNS, PND, abortion and PGD; and demonstrate that the ‘old eugenics’ the contemporary standard of care share the underlying view that social resources should be invested to prevent the birth of people (...) with certain characteristics. This comparison makes evident the difficulty of crafting moral arguments that treat some uses of PNS, PND, abortion and PGD as licit and others as illicit. (shrink)

We consider whether intervening in the criminal tendency of future children is ethically justifiable. We argue that, if avoidance of.

Reproductive freedom plays a pivotal role in debates on the ethics of procreation. This moral principle protects people’s interests in procreative matters and allows them discretion over whether to have children, the number of children they have and, to a certain extent, the type of children they have. Reproductive freedom’s theoretical and political emphasis on people’s autonomy and well-being is grounded in an individual-centred framework for discussing the ethics of procreation. It protects procreators’ interests and significantly reduces the permissible grounds (...) for interference by third parties. In this article I show that procreative decisions have far-reaching effects on the composition and size of the population. The upshot of considering these effects allows for the appreciation of the inadequacy of a framework that solely considers individual (i.e. procreators’) interests to discuss the ethics of procreation. To address such inadequacy, I assess costs and benefits of past and present proposals to reflect on procreation in such a way as to consider its far-reaching effects. I conclude by arguing that reproductive freedom should be defended as an imperfect but instrumentally necessary tool. This framing would enable those participating in debates on the ethics of procreative decisions to work towards an ethical framework that accounts for the cumulative effects of these decisions. (shrink)

The attitudes of Australian practitioners working in clinical genetics and obstetrical ultrasound were surveyed on whether termination of pregnancy (TOP) should be available for conditions ranging from mild to severe fetal abnormality and for non-medical reasons.These were compared for terminations at 13 weeks and 24 weeks. It was found that some practitioners would not facilitate TOP at 24 weeks even for lethal or major abnormalities, fewer practitioners support TOP at 24 weeks compared with 13 weeks for any condition, and the (...) difference in attitudes to TOP between 13 weeks and 24 weeks is most marked for pregnancies which are normal or involve a mild disorder. It is argued that a fetal abnormality criterion for late TOP is inconsistently applied, discriminatory and eugenic. Four possible moral justifications for current practice are examined, each of which would require significant changes to current practice. I argue in favour of a maternal interests criterion for any TOP. (shrink)

Disability activists influenced by queer theory and advocates of “human enhancement” have each disputed the idea that what is “normal” is normatively significant, which currently plays a key role in the regulation of pre-implantation genetic diagnosis (PGD). Previously, I have argued that the only way to avoid the implication that parents have strong reasons to select children of one sex (most plausibly, female) over the other is to affirm the moral significance of sexually dimorphic human biological norms. After outlining the (...) logic that generates this conclusion, I investigate the extent to which it might also facilitate an alternative, progressive, opening up of the notion of the normal and of the criteria against which we should evaluate the relative merits of different forms of embodiment. This paper therefore investigates the implications of ideas derived from queer theory for the future of PGD and of PGD for the future of queerness. (shrink)

Verstoßen pränatale und präimplantive Selektion von Behinderten gegen das Diskriminierungsverbot? Die Antwort wird meist von der Frage nach dem Status des Embryos abhängig gemacht: Ist der Embryo Träger der Menschenwürde und des Rechts auf Leben, dann könne eine Entscheidung der Mutter gegen das Kind (soweit sie überhaupt gerechtfertigt werden kann) dem Diskriminierungsvorwurf nur entgehen, wenn sie nicht spezifisch im Blick auf den Behindertenstatus des Embryos fällt. Der vorliegende Beitrag 1. setzt nicht voraus, dass der Embryo kein Träger der Menschenwürde und (...) des Rechts auf Leben ist; 2. argumentiert, dass der Mutter die Berücksichtigung des Behindertenstatus gleichwohl nicht vorgeworfen werden kann, da dergleichen im privaten Bereich auch sonst häufig berücksichtigt wird und es gute Gründe gibt, das nicht generell zu verbieten; 3. macht deutlich, dass der starke intuitive Widerstand speziell gegen die Präimplantationsdiagnostik in der deutschen öffentlichen Debatte in etwas anderem als der Sorge um die Rechte der verworfenen Embryonen wurzelt und dass eine dementsprechende Umorientierung der Debatte dringend erforderlich ist. (shrink)

Reproductive genetic carrier screening is increasingly being offered more widely, including to people with no family history or otherwise elevated chance of having a baby with a genetic condition. There are valid reasons to reject a prevention-focused public health ethics approach to such screening programs. Rejecting the prevention paradigm in this context has led to an emphasis on more individually-focused values of freedom of choice and fostering reproductive autonomy in RCS. We argue, however, that population-wide RCS has sufficient features in (...) common with other public health screening programs that it becomes important also to attend to its public health implications. Not doing so constitutes a failure to address the social conditions that significantly affect people’s capacity to exercise their reproductive autonomy. We discuss how a public health ethics approach to RCS is broader in focus than prevention. We also show that additional values inherent to ethical public health—such as equity and solidarity—are essential to underpin and inform the aims and implementation of reproductive carrier screening programs. (shrink)

We will analyse the representations and conceptualisation of genetics and genetic information in bioethical discourse. Genetics and genetic information is widely believed to be revolutionizing medicine and is sometimes misconceived as having a high predictive value compared to traditional diagnostics. We will attempt to present the inherent limitations of genetic information within its health care context. We␣will also argue against the exceptional treatment of genetic information that seems to govern bioethical reflection and regulatory approaches. And finally, we will make the (...) claim that geneticization should be seen as a more serious threat to our privacy, autonomy and freedom, than genetic discrimination. (shrink)