Sentence examples for recent or ancient from inspiring English sources
Asexual S. mediterranea could have originated from Sardinian sexual populations a long time ago and remained isolated in the current area of distribution; they could have originated recently and have been transported by humans; or they could have a recent or ancient origin from sexual Spanish populations that are now extinct.
The vegetation of the plot is a mature, closed-canopy, moist evergreen forest, with no sign of recent or ancient human disturbance.
Is their dominance recent or ancient?
The phylogenetic analyses aimed to classify duplications involving mapped spruce genes as recent or ancient by considering the GA split as a reference (see below).
Without a requirement for functional major sperm protein these mutations should be approximately randomly distributed, irrespective of whether the origin of the taxa was recent or ancient.
Using an mtDNA marker, we then investigate (1) whether parthenogens arose repeatedly or whether they are monophyletic, and (2) whether there are indications for recent or ancient parthenogenetic strains.
However, the parameter delta, which measures if recent (δ>1) or ancient (δ<1) events differ in importance for the evolution of a trait, does not differ from 1.0 for GS and FD, indicating that, regardless the initial GS reduction in Decaloba, the changes on both characters occurred through the evolution of the group.
We also did not investigate optimal thresholds/program for detecting more recent or more ancient autozygosity.
The current work aimed at investigating whether this observation is explained by either a recent or an ancient introgression of CB pigs with Far Eastern pigs.
On the other hand, if the sampled population has been subject to very recent or very ancient demographic events, larger samples will be necessary for confidence in model selection and parameter estimation.
To detect if recent gene flow or ancient polymorphisms were responsible for differences between our and other recently published phylogenies, we analysed all of the segregating sites from figure 1 for the presence of anomalies.
