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Distinguishing serial homologs from novel traits: Experimental limitations and ideas for improvements.

BioEssays : news and reviews in molecular, cellular and developmental biology - 1 Jan 2021

Monteiro Antónia

Abstract excerpt

One of the central but yet unresolved problems in evolutionary biology concerns the origin of novel complex traits. One hypothesis is that complex traits derive from pre-existing gene regulatory networks (GRNs) reused and modified to specify a novel trait somewhere else in the body. This simple explanation encounters problems when the novel trait that emerges in a body is in a region that is known to harbor a...

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PMID: 33118632
DOI: 10.1002/bies.202000162

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