![The 20 Principles of Genes, Environment and Breeding](https://dev.ethology.eu/wp-content/uploads/2015/07/Breeding-Principles-300x285.png)
The 20 Principles of Genes, Environment and Breeding
Roger Abrantes
Ph.D. in Evolutionary Biology and Ethology, BA in Philosophy. Author to 27 books, speaks seven languages. Retired in 2016, lectured on Ethology, Evolutionary Biology, and Epistemology. Currently writing articles and blogs and occasionally sailing and diving in Thailand.
View all articles by Roger Abrantes