Mitchell is ancestral in another respect, too.
The gift of my Greek parentage is ancestral [links to] tragedy and comedy, those kind of currents.
This lineage, which is ancestral to today's tuatara and squamates (lizards and snakes), appeared first during the Late Permian.
"Even if these turn out to be feathers, they have not established that Longisquama is ancestral to modern birds," Dr. Norell said.
But the predominance of this pattern amongst so many diverse groups suggests that it is ancestral and possibly key to what makes us human.
Because this place is ancestral to desert and chaparral, learning it is a necessary first step in the journey to uncover the roots of the Callipepla quail.
Otherwise, he added, Toumai is ancestral to some other hominids that then gave rise to the Homo species, in which case australopithecines are a side branch outside the human ancestral line.
To claim that reptiles are ancestral to mammals would be similar to claiming that your cousin is ancestral to you.
One is ancestral genome, which is the inference of the genetic makeup of a common ancestor of two or more contemporary genomes.
We consider the inference of which of two alleles is ancestral when the alleles have a single nonsynonymous difference and when natural selection acts via protein tertiary structure.
This scheme implies that H. ergaster in Africa is ancestral to, or is a sister group to, H. erectus in Asia.
