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This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope: Biology diagrams, Biology diagrams, and Meiosis. You can see its nomination here .
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Original – A diagram showing the stages of meiosis, a specialized type of cell division that reduces the chromosome number by half. Reason Very encyclopedic, attractive Articles in which this image appears Meiosis FP category for this image Wikipedia:Featured pictures/Diagrams, drawings, and maps/Diagrams Creator Ali Zifan
During the phase of meiosis labeled “interphase s” in the meiosis diagram there is a round of DNA replication, so that each of the chromosomes initially present is now composed of two copies called chromatids. These chromosomes (paired chromatids) then pair with the homologous chromosome (also paired chromatids) present in the same nucleus ...
[6] [7] When Hotta et al. in 1977 compared meiotic crossing-over (recombination) in lily and mouse they concluded that diverse eukaryotes share a common pattern. [8] This finding suggested that chromosomal crossing over is a general characteristic of eukaryotic meiosis.
When no homologous template is available or when the template cannot be accessed due to a defect in homologous recombination, the break is repaired via TMEJ in the S and G 2 phases of the cell cycle. In contrast to homologous recombination and TMEJ, NHEJ is predominant in the G 1 phase of the cell cycle, when the cell is growing but not yet ...
After the successful completion of the G 2 checkpoint, the final checkpoint in interphase, the cell proceeds to prophase, or in plants to preprophase, which is the first stage of mitosis. G 0 phase is viewed as either an extended G 1 phase where the cell is neither dividing nor preparing to divide, or as a distinct quiescent stage which occurs ...
By this method, body diagrams can be derived by pasting organs into one of the "plain" body images shown below. This method requires a graphics editor that can handle transparent images, in order to avoid white squares around the organs when pasting onto the body image.