1990
DOI: 10.1016/0305-1978(90)90129-4
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Allozyme variation and the recognition of the “white stickleback”

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Cited by 18 publications
(8 citation statements)
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“…Samples of an undescribed species of Gasterosteus, the "white stickleback," reproductively isolated from and sympatric with "typical" G. aculeatusin Nova Scotia Hagen 1984, 1990), were also included in our study (samples WA3 and WA4). Very small (0.1%) or no genetic divergence was detected between "white stickleback" and other western Atlantic sticklebacks, in agreement with a previous allozyme study (Haglund et al 1990) and the postulated recency of the Atlantic lineage. A very recent origin of reproductive isolation between these forms is apparent.…”
Section: Systematics Ofthe Gasterosteus Aculeatus Superspeciessupporting
confidence: 90%
“…Samples of an undescribed species of Gasterosteus, the "white stickleback," reproductively isolated from and sympatric with "typical" G. aculeatusin Nova Scotia Hagen 1984, 1990), were also included in our study (samples WA3 and WA4). Very small (0.1%) or no genetic divergence was detected between "white stickleback" and other western Atlantic sticklebacks, in agreement with a previous allozyme study (Haglund et al 1990) and the postulated recency of the Atlantic lineage. A very recent origin of reproductive isolation between these forms is apparent.…”
Section: Systematics Ofthe Gasterosteus Aculeatus Superspeciessupporting
confidence: 90%
“…Our results have several interesting implications for the study of brain evolution. First, our genetic data, along with that of Haglund et al 1990; suggest that the differ- ences in brain size between white and common sticklebacks may have evolved quite rapidly. This is consistent with the results of a recent selection experiment in guppies, which showed a 9% increase in brain size after only two generations of selection (Kotrschal et al 2013).…”
Section: Implications For the Study Of Brain Evolutionmentioning
confidence: 84%
“…In spite of these substantial differences, white sticklebacks likely diverged from common sticklebacks recently (Haglund et al. ).…”
Section: Introductionmentioning
confidence: 99%
“…aculeatus (I> 0.50, Haglund, Buth & Lawson, 1992;Buth & Haglund, 1994;Ortf et aI., 1994). However, it is indistinguishable using allozymes from sympatric G. aculeatus (Haglund, Buth & Blouw, 1990), suggesting that it is a very young biological species. It is divergent from the remaining populations of G. aculeatus for allozymes (I = 0.71, Buth & Haglund, 1994;Nei's D = 0.28, Higuchi & Goto, 1996) and an mtDNA haplotype (Ortl et aI., 1994).…”
Section: Lack Of Persistent Species Ofgasterosteusmentioning
confidence: 95%