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Cats and Genes: 30 Years Later

... recombination , the redistribution of genes through the exchange of chromosomal regions between chromosome pairs. As is known, recombination is the main supplier of new gene combinations, which feed for natural selection as well as the micro- and macroevolutionary processes. GENETIC RECOMBINATION AS A SOURCE OF HEREDITARY VARIATION Recombination takes place in the first division of meiosis, the process comprising two divisions of a cell and leading to formation of four germ cells containing a single rather than double chromosome set. When preparing for the first division, homologous (paired) chromosomes are juxtaposed and aligned,...

Modified: 30.12.2009
evolution , chromosomes , meiosis , recombination , genetics
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