the green anole lizard gene clusters of Hox Atypical relaxation of structural constraints in (original) (raw)

Abstract

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This study investigates the genomic organization of Hox gene clusters in the green anole lizard, revealing a significant accumulation of retrotransposons that increase the size of these clusters compared to other vertebrates. The presence of extensive repetitive elements challenges previous notions of the structural constraints on Hox genes, suggesting that these genetic variations may have contributed to the evolutionary development of diverse morphological features in Squamata. The findings also point to divergent evolutionary patterns in conserved regions among vertebrate Hox clusters.

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