With the emergence of the modern synthesis, in which genetics was integrated with evolution, orthogenesis and other alternatives to Darwinism were largely abandoned by biologists, but the notion that evolution represents progress is still widely shared.
随着现代综合论的出现，其中遗传学与演化相结合，直生论与其他替代达尔文主义的方法在很大程度上被生物学家放弃，但演化代表进步的概念依然得到广泛认同。