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Copy file document icon. Stack of paper sheets. Business, finance, education and office concept. 3d vector icon. Cartoon minimal style.
woman hands putting a sheet of paper into a copying device
locksmith duplicate machine make new key
The duplicated homologous chromosomes pair and crossing-over. Crossing-over is the process that can give rise to genetic recombination. Vector illustration
Homologous structures vector illustration. Biological species example scheme. Labeled structural diagram with bone titles. Humerus, ulna and carpals in various creature skeletons from common ancestry.

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