The phrase "ancient background" is correct and usable in written English.
It can be used to describe a historical context or setting that is very old or has a long history.
Example: "The ancient background of the city is evident in its architecture and archaeological sites."
Alternatives: "historical context" or "old heritage".
We started by surveying the ancient background for the emergence of Latin medieval theories of consequence, in particular Aristotle's Topics and Prior Analytics, the commentaries by the ancient commentators, and Boethius' influential logical texts.
On the other hand, a more ancient background shared with Northern Mesopotamia is revealed by the less represented Y-chromosome lineage J1-M267* J1-M267*
The literature of those languages depended largely on the ancient Indian background, which includes two Sanskrit epic poems, the Mahabharata and Ramayana, as well as the Bhagavata-purana and the other Puranas.
If you are reaching the end of your undergraduate career, and you do not have much ancient language background, then options to consider are looking for intensive summer courses, and looking at Post-Baccalaureate Programs in classics (see 2. above).
The question about the relative importance of native environmental conditions or ancient evolutionary background in governing an organismal trait is a classic question in ecology.
Rainforest farmers have also been shown to share both recent and ancient genetic backgrounds with hunter-gatherer populations [ 56- 60].
Ordinary matter adds up to only five percent of the mass-energy in the universe, but its large-scale distribution maps underlying invisible dark matter, another 20percentt of the total, and echoes the minute temperature variations of the ancient cosmic microwave background radiation (CMB).
CLASS is searching for a particular pattern in the ancient cosmic microwave background.
If horizontal process was important in the early stage of domestication, as has been shown in this report, indica and japonica may have ancient diverged genomic "background" yet the domestication of important traits only took place once.
The Near Eastern contribution to the pool of H lineages in North Africa was minimal, indicating that a pre-historic European lineage input occurred in elevated frequencies enriching the ancient Near Eastern background of North African populations mainly constituted by the low frequent haplogroups U6 and M1 [ 9].
First, mtDNA mutations that became recurrently fixed in several independent cancer samples recapitulated ancient mtDNA genetic backgrounds (haplogroups), thus suggesting commonalities in the selective constraints acting on the mitochondrial genome in cancer and during human evolution (Zhidkov et al. 2009).
