High Quality Content by WIKIPEDIA articles! Vestigiality describes homologous characters of organisms that have seemingly lost all or most of their original function in a species through evolution. These may take various forms such as anatomical structures, behaviors and biochemical pathways. Some of these disappear early in embryonic development, but others are retained in adulthood. Although the term serves a purpose in many gross phenotypic characteristics, vestigial has probably little applicability to DNA sequences, be they genes or non-coding sequences. Noncoding DNA has become a revealing example for vestigiality. Many types of noncoding DNA sequences have been found to have biological functions. Some sequences, however, have no known biological functions and are often referred to as "Junk DNA". Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном сетевом ресурсе "Википедия" в частности. Собранная по...

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