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A metaphase cell positive for the BCR/ABL rearrangement using FISH. Cytogenetics is essentially a branch of genetics, but is also a part of cell biology/cytology (a subdivision of human anatomy), that is concerned with how the chromosomes relate to cell behaviour, particularly to their behaviour during mitosis and meiosis. [1]
This list of research methods in biology is an index to articles about research methodologies used in various branches of biology. Research design and analysis
[3] In 2017, the Nobel Prize in Chemistry was awarded to Jacques Dubochet, Joachim Frank, and Richard Henderson "for developing cryo-electron microscopy for the high-resolution structure determination of biomolecules in solution." [4] Nature Methods also named cryo-EM as the "Method of the Year" in 2015. [5]
The biological study of how the origin of life produced reproducing organisms from non-reproducing elements is called abiogenesis. Whether or not there were several independent abiogenetic events, biologists believe that the last universal ancestor to all present life on Earth lived about 3.5 billion years ago .
Cell biology (also cellular biology or cytology) is a branch of biology that studies the structure, function, and behavior of cells. [1] [2] All living organisms are made of cells. A cell is the basic unit of life that is responsible for the living and functioning of organisms. [3] Cell biology is the study of the structural and functional ...
Optogenetics is a biological technique to control the ... [2] learning, [3] ... optogenetics was chosen as the "Method of the Year" across all fields of science and ...
Phylogenetic comparative methods (PCMs) use information on the historical relationships of lineages (phylogenies) to test evolutionary hypotheses. The comparative method has a long history in evolutionary biology; indeed, Charles Darwin used differences and similarities between species as a major source of evidence in The Origin of Species .
These three versions, and their corresponding newly developed laboratory exercises, were piloted at high schools around the United States during the 1960–61 school year. The curriculum materials were then revised during the summer of 1961 based on feedback from teachers, students, and professional biologists, and tested again during 1961–62.