@centrarchid
From same author...
"novel whole genome sequence information from 21 avian genome sequences (most newly assembled) made available on an interactive browser (Evolution Highway) was analyzed... [COLOR=111111]Of the species analyzed, the chicken lineage appeared to have undergone the fewest changes compared to the dinosaur ancestor."[/COLOR]
https://www.researchgate.net/public...closely_resembles_the_dinosaur_avian_ancestor
Yes, Galliformes retain two traits likely typical Enantiornithes, slow growth bird standard and multiple flight feather sets prior to reaching mature size.