Sentence examples for be of ancient origin from inspiring English sources

Most of the samples were found to be of ancient origin; the oldest dated rock is around 300,000 years old.

As the Ovis, Oryx and Alcelaphus genera have not shared a common ancestor for over 30 million years, the DRA*0201 and DRB1*0901 allelic pair is likely to be of ancient origin and present in the founding population from which all contemporary domestic sheep breeds are derived.

The toxin microcystin synthetase (mcy) gene cluster was shown to be of ancient origin [ 52].

A complementary approach involves the computation of the probability of extant introns to be of ancient origin.

This deletion affected 3 uncharacterized genes, Y75B8A.31, Y75B8A.32 and Y75B8A.34, and could possibly be of ancient origin.

Phylogenetic analyses show TLR families to be of ancient origin, predating the divergence of major vertebrate lineages.

One proposition is that the tendency for disease genes to be of ancient origins implies that they are often functionally conserved across many animal lineages.

They are of ancient origin.

Ventriloquism is of ancient origin.

POT-AU-FEU is of ancient origin.

The ponds themselves are of ancient origin.