William Bateson and the promise of Mendelism

Journal of the History of Biology -     

William Bateson: a biologist ahead of his time

William Bateson coined the term genetics and, more than anybody else, championed the principles of heredity discovered by Gregor Mendel. Nevertheless, his reputation is soured by the positions he took about the discontinuities in inheritance that might precede formation of a new species and by his reluctance to accept, in its fullblooded form, the view of chromosomes as the controllers of individual development. Growing evidence suggests that both of these positions have been vindicated. New species are now thought to arise as the result of genetic interactions, chromosomal rearrangements, or both, that render hybrids less viable or sterile. Chromosomes are the sites of genes but genes move between chromosomes much more readily than had been previously believed and chromosomes are not causal in individual development. Development, like speciation, requires an understanding of the interactions between genes and the interplay between the individual and its environment.     

Gentlemanly Men of Science: Sir Francis Galton and the Professionalization of the British Life-Sciences

Because Francis Galton (1822–1911) was a well-connected gentleman scientist with substantial private means, the importance of the role he played in the professionalization of the Victorian life-sciences has been considered anomalous. In contrast to the X-clubbers, he did not seem to have any personal need for there forms his Darwinist colleagues were advocating. Nor for making common cause with individuals haling from social strata clearly inferior to his own. However, in this paper I argue that Galton quite realistically discerned in the reforming endeavors of the1860s, and beyond, the potential for considerably enhancing his own reputation and standing within both the scientific community and the broader Victorian culture. In addition, his professionalizing aspirations, and those of his reformist allies, were fully concordant with the interests, ambitions and perceived opportunities of his elite social group during the Victorian period. Professionalization appealed to gentlemen of Galton's status and financial security as much as it did to the likes of Thomas Huxley and John Tyndall, primarily because it promised to confer on the whole scientific enterprise an unprecedented level of social prestige. This revised version was published online in July 2006 with corrections to the Cover Date.     

Francis Galton’s theory of inheritance and the problem of unconceived alternatives

Elsewhere I have argued that the most significant threat to scientific realism arises from what I call the problem of unconceived alternatives: the repeated failure of past scientists and scientific communities to even conceive of alternatives to extant scientific theories, even when such alternatives were both (1) well-confirmed by the evidence available at the time and (2) sufficiently scientifically serious as to be actually embraced in the course of further investigation. In this paper I explore Francis Galton’s development and defense of his “stirp” theory of inheritance and conclude that this particular historical example offers impressive support for the challenge posed by the problem of unconceived alternatives while simultaneously showing how we can make that challenge deeper and sharper.     

Evolution: the long evolutionary reach of viruses

The structure of a phage capsid protein provides good evidence this phage shares ancestry with an animal virus. In this and similar cases, either the viral lineages predate the emergence of the three contemporary domains of life, or viruses have been leaping the phylogenetic chasms that separate the domains.