博文
- 每日翻译20190602
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Low divergence By necessity, conspecific individuals diverge later than individuals from different species. Consequently, within-species data sets have fewer ch ...
- 每日翻译20190601
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Problems with interspecific methods at the intraspecific level Evolutionary relationships above and below the species level are different in nature. Relationships between ...
- 每日翻译20190531
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Gene genealogies Given a sample of GENES, the relationships among them can be traced back in time to a common ancestral gene. The genealogical pathways interconnecting t ...
- 每日翻译20190530
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Intraspecific gene evolution cannot always be represented by a bifurcating tree. Rather, population genealogies are often multifurcated, descendant genes coexist with per ...
- 每日翻译20190529
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz As sequences diverge over time, the observed number of changes underestimates the real number of changes. Imagine a nucleotide that begins as A. In one linea ...
- 每日翻译20190528
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz A homoplasy is a character shared by a set of species but not present in their common ancestor. A good example is the evolution of the eye which has originated independen ...
- 每日翻译20190527
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Divergent and Convergent Evolution Homology is a product of divergent evolution. This means that a single ancestor species split, or diverges, into two or more species a ...
- 每日翻译20190526
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Homoplasy Defined Homoplasy, on the other hand, describes a biological structure or characteristic that two or more different species have in common that was not inherit ...
- 每日翻译20190525
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Homology Defined The term homology refers to biological structures or characteristics that are similar or the same found on two or more different species when those char ...
- 每日翻译20190524
- # 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Two common terms used in the science of evolution are homology and homoplasy. While these terms sound similar (and indeed have a shared linguistic element), they are quit ...
