Sentences with phrase «morphological variation»
"Morphological variation" refers to the differences or changes in the physical appearance or structure of something. It can describe the various shapes, sizes, or forms that objects or living things can have. Full definition
We extensively modified the Abstract and Introduction, trying to provide a comprehensive background on the subject of intraspecific morphological variation in hominins and on how it can influence biological and behavioural aspects.
elifesciences.org
Island spotted skunks show little morphological variation between islands, aside from the skunks found on Santa Rosa Island being slightly longer than those found on Santa Cruz Island.
The Dmanisi sample, which now comprises five crania, provides direct evidence for wide morphological variation within and among early Homo paleodemes.
Even if ecology favoured this type of selection (the first vision), embryo development and the relationship between genetic and morphological variation imposed by this is too complex for every aspect of morphology to have been fine - tuned.
Vea's detailed analyses describe four new species that were previously overlooked but having subtly distinct morphological variation.
Despite the lack of genetic diversity caused by population structure and history, these breeds are able to continually create new and more extreme morphological variations at a rapid and sustained pace.
Most of these thyroid cancers are being re-classified as benign morphological variations, or papillary lesions of indolent course (PLICs), «which do not evolve to cause metastatic disease or death» (4).
As I mentioned, most American toad species are remarkably similar, differentiated by comparatively subtle morphological variations.
In some cases, a single species may show a high level of morphological variation, while in other cases, multiple morphologically similar species may be hidden under a single species name.
When there is morphological variation within a dog breed, correlating animal health to phenotype is possible, as demonstrated by a recent post-mortem study of size and morbidity using 145 autopsies of Portuguese Water Dogs [44].
«We were puzzling by the morphological variation of those frogs, which is little, but after the first results of the molecular phylogenies was clear the higher genetic disparity among them,» say João Tonini, Ph. D. student at The George Washington University.
Research interests: paleoanthropology, morphological variation, functional morphology, morphological integration
The overall objective is to introduce morphologically - oriented students to the genetic underpinnings of morphological variation and evolution, and to likewise ask genetics students to explore the implications of their research for morphological evolution.
This study will test the hypothesis that much of the morphological variation between individuals is due to a specific type of mutation that involves repeated sequences in genes.
To capture the morphological variation associated with CM in the GB breed, we identified 14 two dimensional measurements of the skull and the brain on 154 dogs from this breed (figure 1).
[5] The study found that genetic variation between the two island species was not consistent with the morphological variation and was much greater than that of the mainland species.