The lizard P. nigriventris, resembling the Hulk in the lizard world, possesses green skin, larger size, black markings, and aggression due to introgression from different lineages.
Evolutionary biologists studying which genes contribute to P. nigriventris' Hulkish traits found it to be a hybrid, with features from the IT and SA lineages.
Introgression from the SA lineage transferred traits like coloration, blue spots, body mass, and head length to P. nigriventris, blurring ancestral distinctions.
Initially assumed that mate selection led to the development of P. nigriventris features, but introgression complicates tracing the true origins of its unique traits.
#podarcis-muralis-nigriventris #evolutionary-biology #hybridization #introgression #trait-development
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