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On the number of reproductives contributing to a half-sib progeny array

Published online by Cambridge University Press:  01 February 2000

J. ANDREW DEWOODY ,
YSSA D. DEWOODY ,
ANTHONY C. FIUMERA  and
JOHN C. AVISE
J. ANDREW DEWOODY
Affiliation:
Department of Genetics, University of Georgia, Athens, GA 30602, USA
YSSA D. DEWOODY
Affiliation:
Department of Mathematics, University of Georgia, Athens, GA 30602, USA
ANTHONY C. FIUMERA
Affiliation:
Department of Genetics, University of Georgia, Athens, GA 30602, USA
JOHN C. AVISE
Affiliation:
Department of Genetics, University of Georgia, Athens, GA 30602, USA
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Abstract

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We address various statistical aspects of biological parentage in multi-offspring broods that arise via multiple paternity or multiple maternity and, hence, consist of mixtures of full- and half-sibs. Conditioned on population genetic parameters, computer simulations described herein permit estimation of: (1) the mean number of offspring needed to detect all parental gametes in a brood and (2) the relationship between the number of distinct parental gametes found in a brood and the number of parents. Results are relevant to the design of empirical studies employing molecular markers to assess genetic parentage in polygynous or polyandrous species with large broods, such as are found in many fishes, amphibians, insects, plants and other groups. The utility of this approach is illustrated using two empirical data sets.

Type
Research Article
Information
Genetics Research , Volume 75 , Issue 1 , February 2000 , pp. 95 - 105
Copyright
© 2000 Cambridge University Press