Иван написал(а):
показало, что у каждого человека хранится не только два набора генов - от матери и отца, - но и множество других копий..
Не надо извенятся, так как это обычная фигня, типа одна бабушка сказала. Вот оригиналы:
Barreiro and his colleagues obtained data for their research from the HapMap project, an international consortium that has built a vast and growing repository of human genetic variation. To date, the project has analyzed over 3.1 million SNPs across the human genome common to 270 individuals of African, Asian, and European ancestry. A SNP is a variation of a single nucleotide between individuals. These polymorphisms can therefore be used to discern small differences both within a population and among different populations. The beauty of SNPs is that the observed variation can be followed over time and quantified. If SNPs change either the function of a gene or its expression, and the change provides greater fitness for a population (i.e., a higher capacity to survive and/or reproduce in a given environment), the change will be favored by natural selection. Therefore, SNPs can be the basis of evolutionary change. This was the basic premise of Barreiro's study.
Вот статьи:
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