Sentence examples for ancestral position from inspiring English sources

An Old World yaws subspecies was found to occupy the base of the tree, indicating its ancestral position in the treponemal family, she said.

The ancestral position of Italy is curious.

Perfect conservation (i.e., 100% confidence in ancestral position identity), would result in a large reduction in dataset size due to the "false negative" exclusion of many positions due to the presence of these occasional derived states.

The caucasica subgroup (including the sequenced strain "Pestoides F" [36]) is suggested to be in the next most ancestral position (Figure 2) in agreement with previous biochemical investigations [2].

It is also present in the amphioxus, but since it is absent from other Deuterostomes, it is not clear whether it is an ancestral position or represents a case of parallel insertion, unless one considers intron 4 (vertebrates) as the result of a 5 bp-sliding from position 5, a hypothesis for which there is no evidence.

Intron sliding was also found in Piriformospora indica (ancestral position 23).

This suggests either repeated parallel gains, or retention of ancestral positions.

On the other hand, retention of ancestral positions implies that the last ancestor between Protostomes and Deuterostomes had Amy gene(s) with a Protostome-like structure, which, in Deuterostomes, was retained solely in the amphioxus; but there is no clear pattern of conservation of the amphioxus introns with those of a subset of Protostomes.

A substantial fraction of the introns retained their ancestral positions in multiple, diverse eukaryotic species although introns in some of the ancestral positions have been lost whereas some new ones have been acquired.

In O. pulchella, 4 protein coding genes (nad2, cox1, nad6, and cob) and 10 tRNA genes have rearranged relative to the ancestral positions.

The states of the Markov chain in a profile HMM correspond to ancestral positions (and to deletions of them and insertions between them).