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Many philosophers believe that 1) most uses of functional language in biology make implicit reference to natural selection and 2) the fundamental way in which biologists identify parts and processes i...
I defend the view that many biological categories are defined by homology against a series of arguments designed to show that all biological categories are defined, at least in part, by selection func...
Many philosophers believe that 1) most uses of in biology make implicit reference to natural selection and 2) the fundamental way in which biologists identify parts and processes in organisms is by th...
Fifty years of character compatibility concepts at work
biogeography character compatibility character evaluation convex groups phylogenetic trees reciprocal illumination speciation supertrees
2009/7/27
In the mid 19th century, systematic biologists realized that observable similarities and differences among a group of related species could be the basis for hypotheses about the evolutionary relations...
摘要
多趾是脊椎动物常见的肢体异常，在不同物种间具有相似的表型。研究表明,有相同的基因和发育机理控制不同物种间的多趾表型；最近在人和鼠上的研究进一步表明PPD应是由于干扰了位于Lmbr1内含子内的Shh长程顺式调控元件引起的。对脊椎动物多趾性状的发生机理和相关基因的研究进展进行了综述。Abstract: Polydactyly is a common abnormal limb phenot...
REPRODUCTIVE CHARACTER DISPLACEMENT AND THE GENETICS OF GAMETE RECOGNITION IN TROPICAL SEA URCHINS
Bindin positive selection reinforcemen
2015/12/16
Reproductive character displacement occurs when sympatric and allopatric populations of a species differ
in traits crucial to reproduction, and it is commonly thought of as a signal of selection acti...