Search by...
- Keyword
- Title
- Author
- Subject
- Publisher
Results should have...
- All of these words
- Any of these words
- This exact phrase
- None of these words
Keyword searches may also use the operators
AND, OR, NOT, “ ”, ( )
AND, OR, NOT, “ ”, ( )
Chapter 7: Homeotic Mutants and the Assimilation of Developmental Genetics into the Evolutionary Synthesis, 1915-1952
Academic journal article from Transactions of the American Philosophical Society, Vol. 99, No. 1
Beginning of article
INTRODUCTION
In 1894 William Bateson described a class of discontinuous variation that he considered to be especially valuable for the study of evolution. This variation involved the repetition of a set of features typical of one member of a meristic series (e.g., a vertebra or a segment) in a new location in the series. Bateson referred to this process, whereby one body part is transformed into the likeness of another, as homeosis (from Greek homoios= same and -osis= condition or process, Bateson, 1894, pp. 84-85). Because phenomena such as homeosis could accomplish "at one step" a change similar to the differences observed between species, Bateson held that it was the …
