Sentence examples for isolating barrier from inspiring English sources

The annulus is an electrically inert structure that forms the isolating barrier between the atrial and ventricular tissues necessary for normal sequential activation of the heart.

Finally, such host-isolation could act as an ecological isolating barrier to limit recombination between differentially adapted pathogenic strains.

The isolating barrier effect of the relief on the climate is demonstrated most clearly in the West Asian highlands and in Central Asia.

Inhabitants of small islands perceive the surrounding sea as integral to their lives, not as an isolating barrier (McCall 1994).

The reciprocal monophyly and eight fixed substitutions observed between Cathorops sp. and C. mapale suggest that, once established (ca. 0.8 mya, see below), the isolating barrier was maintained and effectively restricted gene flow across the PNNT from that point through to the present time.

The temperature gradient associated with topography impacts on phenology and forms a temporal isolating barrier between coastal and upland populations.

Further work is necessary to characterize the geographic and genetic variation in reproductive isolating barriers, as well as to determine the factors that drive reproductive isolation and the consequences that isolating barriers as well as geographic isolation have had on patterns of gene flow between these species.

It is perhaps surprising that allopatric populations of such closely related species have evolved prezygotic isolating barriers in the absence of intrinsic postzygotic isolation.

Normally, a combination of pre- and post-zygotic isolating barriers act in concert to affect the total isolation observed between taxa [ 3, 4].

Besides premating isolation, chromosomal rearrangements or genetic incompatibilities might act as isolating barriers to gene flow in postzygotic reproduction (reviewed in Coyne and Orr 2004).

A combination of isolating barriers may be involved in the observed prezygotic reproductive isolation between Saccharomyces species.