Xiao-Shu Chen,Jia-Bi Chen
Xiao-Shu Chen
The origin and evolution of sex chromosomes have long been a focus of research in biology. Two of the most studied systems are the XY system and the ZW system. Due to Y/W degeneration, heterozygous (XY/ZW) sex-linked genes are absent and th...
The evolution of sequences and spatial conformation in vertebrate chromosomes [0.03%]
脊椎动物染色体中的序列演化及其空间构象
Jing Liu,Qi Zhou
Jing Liu
Chromosomes, as the fundamental unit of genetic material located within the cell nucleus, have undergone extensive and complex changes throughout the evolutionary history of eukaryotes. Many of these patterns and mechanisms of change share ...
Li Zhang,Chuan-Yun Li
Li Zhang
During evolution, mutations occur randomly and are fixed by selection. At the same time, species gradually formed, producing various life forms. In the traditional evolutionary theory system, mutations are considered genetic mutations by de...
Jie-Yu Shen,Tian-Han Su,Da-Qi Yu et al.
Jie-Yu Shen et al.
Gene duplication is the process of a gene copied via specific molecular mechanisms to form more duplicate genes. As an important approach to the origination of new genes, gene duplication contributes to around half of the genes in eukaryoti...
Environmental changes and uplift of the Qinghai-Tibet Plateau drive genetic diversification and speciation of the birds [0.03%]
环境变化和青藏高原的抬升促进了鸟类遗传多样性分化及物种形成
Gang Song,Yan-Hua Qu
Gang Song
Being the most magnificent plateau in elevation and size on Earth, the Qinghai-Tibet Plateau has a profound impact on biodiversity due to the unique geographic and climatic conditions. Here we review the speciation patterns and genetic dive...
Ze-Fu Wang,Jian-Quan Liu
Ze-Fu Wang
Since Darwin's era, speciation has been one of the most central issues in evolutionary biology studies. Understanding the processes of species origin is crucial in deepening our understanding of the formation of species biodiversity, which ...
Hong Wu,Yu-Xing Zhang,Li Yu
Hong Wu
Speciation research represents our thinking and exploration about how new species are generated and maintained, and it is one of the most important parts of evolutionary biology. Revealing new species formation modes, processes of reproduct...
Progress on ancient DNA investigation of Late Quaternary mammals in China [0.03%]
中国更新世晚期哺乳动物古DNA研究进展
Gui-Lian Sheng,Ming-Min Zheng,Bo Xiao et al.
Gui-Lian Sheng et al.
It has been more than 40 years since the beginning of exploring the genetic composition of ancient organisms from the perspective of ancient DNA. In the recent 20 years, with the development and application of high-throughput sequencing tec...
The migration and evolutionary mechanisms of northern Asian populations from the perspective of ancient genomics [0.03%]
古基因组学视角下的北方亚洲人群的迁徙与演化机制研究
Da-Xuan Zhang,Shen-Ru Dai,Yin-Qiu Cui
Da-Xuan Zhang
The northern part of Asia, including Siberia, the Mongolian Plateau, and northern China, is not only a crossroads for population exchange on the Eurasian continent but also an important bridge connecting the American continent. This region ...
Ancient DNA elucidates the migration and evolutionary history of northern and southern populations in East Asia [0.03%]
古DNA解析东亚南北系群的迁徙与演化历史
Wan-Jing Ping,Jia-Yang Xue,Qiao-Mei Fu
Wan-Jing Ping
Over the past decade, the continuous development of ancient genomic technology and research has significantly advanced our understanding of human history. Since 2017, large-scale studies of ancient human genomes in East Asia, particularly i...