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Daughter cells after mitosis, light micrograph
Differential interference contrast (DIC) light micrograph of two cells that have just formed after mitosis (nuclear division). Mitosis is the formation of two daughter nuclei from one parent nucleus. During mitosis, sister chromatids, which are made of DNA (deoxyribonucleic acid, purple), are moved to separate poles of the cell. Cytokinesis (cellular division) then forms two new cells around the divided chromatids. Two identical chromatids make up one chromosome, so each cell retains a copy of the parent cell's genetic information. Giemsa stain., by DR. JUAN F. GIMENEZ-ABIAN / SCIENCE PHOTO LIBRARY
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