A novel expression domain ofextradenticleunderlies the evolutionary developmental origin of the chelicerate patella
Benjamin C. Klementz,
Georg Brenneis,
Isaac A. Hinne
et al.
Abstract:Neofunctionalization of duplicated gene copies is thought to be an important process underlying the origin of evolutionary novelty and provides an elegant mechanism for the origin of new phenotypic traits. One putative case where a new gene copy has been linked to a novel morphological trait is the origin of the arachnid patella, a taxonomically restricted leg segment. In spiders, the origin of this segment has been linked to the origin of the paralogdachshund-2, suggesting that a new gene facilitated the expr… Show more
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