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Indifference of t-Alleles On the Sampling of Wild House Mouse Populations Under Experimental Conditions

Indifference of t-Alleles On the Sampling of Wild House Mouse Populations Under Experimental... INDIFFERENCE OF t-ALLELES ON THE SAMPLING OF WILD HOUSE MOUSE POPULATIONS UNDER EXPERIMENTAL CONDITIONS by A. ZWEEP and G. A. VAN OORTMERSSEN (Biology Centre, University of Groningen, The Netherlands) SUMMARY This study tries to explain the discrepancy between the frequencies of t-alleles found in house mouse populations and those expected on the basis of a deterministic model, by hypothesizing a difference in trappability between + /+ and +/t genotypes. We found variation in t-genotypes to be of no influence on trappability of the individuals in ten experimental populations. INTRODUCTION A most interesting natural polymorphism is that found at the T (Brac- hyuri or short tail) locus in house mice (LEWONTIN & DUNN, 1960). A number of t-alleles are found which are either lethal or male sterile in homozygous conditions. To explain that observed frequencies of t-al- leles in natural populations of the house mouse are much lower than those expected on the basis of the deterministic model (BRUCK, 1957) we may assume that mice with + /+ genotypes are easier to trap than +-/t and if viable, t/t genotypes (CAUGHLEY, 1977). Variability in trapp- ability is known for many mammals including house mice (CROWCROFT &JEFFERS, 1961 ) . http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Netherlands Journal of Zoology (in 2003 continued as Animal Biology) Brill

Indifference of t-Alleles On the Sampling of Wild House Mouse Populations Under Experimental Conditions

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Publisher
Brill
Copyright
© 1980 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2960
eISSN
1568-542X
DOI
10.1163/002829681X00059
Publisher site
See Article on Publisher Site

Abstract

INDIFFERENCE OF t-ALLELES ON THE SAMPLING OF WILD HOUSE MOUSE POPULATIONS UNDER EXPERIMENTAL CONDITIONS by A. ZWEEP and G. A. VAN OORTMERSSEN (Biology Centre, University of Groningen, The Netherlands) SUMMARY This study tries to explain the discrepancy between the frequencies of t-alleles found in house mouse populations and those expected on the basis of a deterministic model, by hypothesizing a difference in trappability between + /+ and +/t genotypes. We found variation in t-genotypes to be of no influence on trappability of the individuals in ten experimental populations. INTRODUCTION A most interesting natural polymorphism is that found at the T (Brac- hyuri or short tail) locus in house mice (LEWONTIN & DUNN, 1960). A number of t-alleles are found which are either lethal or male sterile in homozygous conditions. To explain that observed frequencies of t-al- leles in natural populations of the house mouse are much lower than those expected on the basis of the deterministic model (BRUCK, 1957) we may assume that mice with + /+ genotypes are easier to trap than +-/t and if viable, t/t genotypes (CAUGHLEY, 1977). Variability in trapp- ability is known for many mammals including house mice (CROWCROFT &JEFFERS, 1961 ) .

Journal

Netherlands Journal of Zoology (in 2003 continued as Animal Biology) – Brill

Published: Jan 1, 1980

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