Sister chromatids are two identical copies of Chromosome that is formed by the replication of a single chromosome.
This copies are formed during mitosis. Later on, these two sisters chromatids will grown into two different Cells
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Repeating earthquakes, or repeaters, are identical in location and geometry but occur at different times. They appear to represent recurring seismic energy release from distinct structures such as slip on a fault patch. ... Repeating earthquakes are observed in diverse tectonic and nontectonic settings.
club mosses mosses ferns horsetails.
Controls what enters and leaves the cell