that we identified for female gametes using H2B–mNeon in terms of morphology and the proportion of the overall parasite population at the observed time points (Fig.2d, Supplementary Fig.3). To study what controls the stage specificity of gene expression, we placed fluorescent protein reporters u...
Researchers on the origin of life now conclude that rocks and minerals must have played key roles in virtually every phase of life's emergence-they catalyzed the synthesis of key biomolecules; they selected, protected, and concentrated those molecules; they jump-started metabolism; and they may ...
sex ratio bias that predates the loss of adults, perhaps associated with endosymbionts. We propose a model for the transition from a haplodiploid cyclical parthenogenetic life history to parthenogenetic paedogenesis. Paedogenetic development induces a new mechanism of sex ratio bias in midges, wasps ...
the study of electrical activity in organisms and of the effect of electricity on them. —electrobiologist,n.—electrobiological,adj. embryogeny the formation and growth of an embryo. —embryogenic, embryogenetic,adj. endogenesis,endogeny
the life cycle, development, or developmental history of an organism. Also called ontogenesis. — ontogenic, adj. parthenogenesis Biology. the development of an egg or seed without fertilization. Also called unigenesis. — parthenogenetic, adj. ...
According to this concept, symbiogenesis should be understood as an evolutive mechanism and symbiosis as the vehicle, through which that mechanism unfolds. This represents a different point of view from neo-Darwinism or the Modern Synthesis Theory, and the consideration of symbiosis takes studies of...
Cladogenesis☆ M. Ponomarenko, ... N. Kolchanov, in Reference Module in Life Sciences, 2017 “Tree of Life” and Evolutionary Biology In 1840, Edward Hitchcock summarized the then existing paleontological and geological findings into the concept known as the tree of life. Based on this concept...
the Genesis Central Committee established the Darwin Institute to study evolution and to predict the interaction of life forms brought from Earth. Megan, first named an Associate of the Institute, became its Director five years later. She has played an important role in determining which species wi...
A reassessment of human cranial plasticity: Boas revisited In 1912, Franz Boas published a study demonstrating the plastic nature of the human body in response to changes in the environment. The results of this stu... CS Sparks,RL Jantz - 《Proceedings of the National Academy of Sciences of...
This non-random distribution, including an apparent preference either to insert near to genes or to avoid them, may result either from a true insertion preference or just from selection. The study of recent insertions obtained in the lab or in the wild may help distinguish between these two hy...