noun, Biology. 1. a consolidation of the results of various lines of investigation from the 1920s through the 1950s that supported and reconciled the Darwinian theory. The modern evolutionary synthesis (known as the new synthesis, the modern synthesis, the evolutionary synthesis, millennium synthesis or the neo-Darwinian synthesis. What is the modern evolutionary synthesis? Read about how the Theory of Evolution has evolved. Neo-Darwinism is the modern synthesis of Darwinian evolution through natural selection with Mendelian genetics, the latter being a set of primary tenets specifying. The modern evolutionary synthesis is about evolution. It explained how the discoveries of Gregor Mendel fit with Charles Darwin's theory of evolution by means of. Modern Synthesis. The Modern Synthesis describes the fusion (merger) of Mendelian genetics with Darwinian evolution that resulted in a unified theory of evolution. Definition of Modern evolutionary synthesis: the process of evolution which is based on the work of Charles Darwin but also includes more recent discoveries and. Disclaimer. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. The Modern Synthesis of Genetics and Evolution. Current ideas on evolution are usually referred to as the Modern Synthesis which. The modern theory of the. Modern synthesis definition, a consolidation of the results of various lines of investigation from the 1920s through the 1950s that supported and reconciled the.