Sentences with phrase «of admixture suggests»
However, the high reproductive success of F1 hybrids relative to post-F1 hybrids with similar amounts of admixture suggests that some of the outbreeding depression is intrinsic.
http://rsbl.royalsocietypublishing.org/ Not exact matches
Despite apparent fitness costs, our data suggest that hybridization may spread due to relatively high reproductive success of first - generation hybrids and high reproductive success of a few males with high levels of admixture.
A declining exponential regression fitted to the data (y = 13.039 e − 3.040 x) suggests that reproductive success declines by approximately 50 per cent, with 20 per cent admixture indicating that even small amounts of non-native rainbow trout introgression rapidly reduce reproductive success in later - generation hybrids (figures 1 and 2).
Our results suggest that small amounts of non-native genetic admixture that may not be morphologically detectable may have negative effects on fitness of native trout in the wild and that conservation and policy programmes that protect hybridized populations may need reconsideration.
This outbreeding depression suggests that even low levels of admixture may have negative effects on fitness in the wild and that policies protecting hybridized populations may need reconsideration.
This admixture could have occurred before domestication or during the early stages of the domestication process, following restocking from the wild as previously suggested (13, 32, 33).
Indeed, several admixture scenarios [44], [45] and selection at linked sites are expected to generate an excess of high frequency derived alleles, but the observation that most islands of differentiation are not enriched for high frequency derived alleles suggests that selection at linked sites is likely to have a relatively small contribution overall to the occurrence of areas of high differentiation.
The fact that the SNPs used for each of these loci fall on the branch uniting divergent haplogroups, which is consistent with ancient vicariance and reciprocal monophyly being attained in the past before hybridization took place, suggests that high levels of admixture may have eroded any clinal differentiation in HPRT1.