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Translocation |
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translocation [¦tranz·lō′kā·shən]
(botany) Movement of water, mineral salts, and organic substances from one part of a plant to another. (cell and molecular biology) The transfer of a chromosome segment from its usual position to a new position in the same or in a different chromosome. Translocation (1) In genetics, a type of chromosomal restructuring (mutation) involving an interchange between parts of chromosomes; it often leads to a decrease in the fertility of animals and plants. (2) The transference of substances in and out of a cell through a biological membrane by means of a biochemical transport system. (3) In plants, the movement of water through the xylem and of nutrients through the phloem. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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