Sentence examples for shallow cline from inspiring English sources

In contrast to the inner shallow cline of genetic variation, clade II is separated from the Iranian one (clade I) by a relatively deep genetic gap (8 9%).

The D. americana X/ 4 fusion Xc inversion is present as a shallow cline, being frequent in the north of the geographic distribution and almost absent in the south of the distribution (Vieira et al. 2001; McAllister 2002).

Despite this very shallow cline, Q ST approached 0.45 at generation 1000 under the stepping-stone migration model; under the same simulations parameters, Q ST values reached 0.7 under the island migration model.

However ovariole number and starvation resistance are not known to positively covary in natural populations; a shallow cline in starvation resistance among Australian populations [ 43] appears to be negatively correlated with an Australian cline in ovariole number [ 11].

Extensive sampling across the D. americana distribution range has shown that the X/ 4 fusion is present as a shallow cline being frequent in the north of the geographic distribution and almost absent in the south of the distribution (Vieira et al. 2001; McAllister 2002; McAllister et al. 2008).

If there is neutral mixing, steep gradients in allele frequencies will decay over time resulting in wide, shallow clines; conversely, if there is a strong barrier to gene flow because of selection against hybrids and/or assortative mating, steep clines may be maintained [ 2, 10, 39].

Similarly, when the pollen dispersal distance was a priori reduced to the most proximal populations, as in the stepping-stone migration model, a very shallow genetic cline built up.

Of these, 19 and 11 markers showed steeper and shallower genomic clines than expected given neutral introgression, respectively (see Additional File 2).

However west of the hybrid center, two of the three fitted clines had shallower exponential decay tails that did not reach 0.0 at Bebedero, suggesting broader, asymmetrical introgression of jacana phenotypic traits in the range of spinosa.> -wrap-foot>> -wrap-foot>> -wrandfoot> Phenotypic and genetic samples and population hybrid index scores across the jacana hybrid zone.

The cline is as follows: as one goes from the shallow-water margins of the lake to the deep-water (5 6 meters) vegetation, the frequency of sexual individuals decreases from very high (about 90percentto to very low (less than 10percentt).

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