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@article{872140,
author = {Mikula, Ondřej and Macholán, Miloš},
article_location = {Malden},
article_number = {4},
keywords = {developmental instability; fluctuating asymmetry; heterosis; hybrid zone; Mus musculus; skull shape},
language = {eng},
issn = {1010-061X},
journal = {Journal of Evolutionary Biology},
title = {There is no heterotic effect upon developmental stability in the ventral side of the skull within the house mouse hybrid zone},
volume = {21},
year = {2008}
}
TY - JOUR
ID - 872140
AU - Mikula, Ondřej - Macholán, Miloš
PY - 2008
TI - There is no heterotic effect upon developmental stability in the ventral side of the skull within the house mouse hybrid zone
JF - Journal of Evolutionary Biology
VL - 21
IS - 4
SP - 1055-1067
EP - 1055-1067
SN - 1010061X
KW - developmental instability
KW - fluctuating asymmetry
KW - heterosis
KW - hybrid zone
KW - Mus musculus
KW - skull shape
N2 - Fluctuating asymmetry (FA) of a body is expected to be related to an organism’s developmental instability. We studied patterns of FA in the ventral side of the skull along a transect across the central-European portion of the hybrid zone between two house mouse subspecies, Mus musculus musculus and Mus musculus domesticus. We found that FA was not significantly different between introgression classes relative to differences between localities within those classes and that the within-class differences were much larger than differences between individual-signed asymmetries within localities. However, if year was added to the same analysis as another factor, FA was not significantly different among localities within the same introgression class. When individual asymmetries were plotted against individual hybrid indices, hybrids appeared more asymmetric than individuals from outside of the zone. Thus contrary to previous studies, we did not find lower FA indicating heterotic effect in hybrids for the traits studied. It is suggested that the impact of hybridization on FA in the ventral side of the mouse skull is negligible or overwhelmed by other factors.
ER -
MIKULA, Ondřej a Miloš MACHOLÁN. There is no heterotic effect upon developmental stability in the ventral side of the skull within the house mouse hybrid zone. \textit{Journal of Evolutionary Biology}. Malden, 2008, roč.~21, č.~4, s.~1055-1067. ISSN~1010-061X.
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