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Performance of pedigree- and genome-based coancestries on selection programmes
, 2015 Rodríguez-Ramilo, Silvia Teresa +2 more
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Coancestry in Apparently Sporadic Primary Pulmonary Hypertension
Chest, 1995To examine sporadic cases of primary pulmonary hypertension of coancestry.An epidemiologic study of families of patients with primary pulmonary hypertension.A university-affiliated referral population.Family members of 13 patients with primary pulmonary hypertension.Family pedigrees involving grandparents, parents, siblings, and children were ...
G, Elliott +4 more
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ESTIMATION OF THE COANCESTRY COEFFICIENT: BASIS FOR A SHORT-TERM GENETIC DISTANCE [PDF]
Genetics, 1983 ABSTRACT A distance measure for populations diverging by drift only is based on the coancestry coefficient θ, and three estimators of the distance D = -ln(1 - θ) are constructed for multiallelic, multilocus data. Simulations of a monoecious population mating at random showed that a weighted ratio of single-locus estimators performed ...
John Reynolds
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Inbreeding, effective population size, and coancestry in the Latxa dairy sheep breed [PDF]
Journal of Dairy Science, 2020 Traditionally, breeding programs have estimated and managed inbreeding based on pedigree information. The availability of genomic marker panels has made possible new alternatives to achieve more precise estimates, for example in case of missing pedigree.
Itsasne Granado-Tajada +2 more
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Estimation of effective number of breeders from molecular coancestry of single cohort sample
Evolutionary Applications, 2008 AbstractThe effective population size, Ne, is an important parameter in population genetics and conservation biology. It is, however, difficult to directly estimate Ne from demographic data in many wild species. Alternatively, the use of genetic data has received much attention in recent years.
Tetsuro Nomura
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On the principle underlying the tabular method to compute coancestry
Theoretical and Applied Genetics, 1991The tabular method to compute coancestry between two individuals is based on the principle that coancestry may be computed as the average coancestry between one individual and the parents of the other, on the condition that the former individual is not a direct descendent of the latter.
H L, Chang, R L, Fernando, M, Grossman
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Inbreeding, Coancestry, and Covariance between Relatives for X-Chromosomal Loci
Journal of Heredity, 1989Knowledge about the relationships between relatives for X-chromosomal loci is necessary to compute genetic variances and covariances for the genetic evaluation of individuals for economically important traits in livestock and poultry. Using a unified approach, we derived explicitly the coefficient of inbreeding for individuals and the coefficient of ...
M, Grossman, E J, Eisen
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The use of coancestry based on shared segments for maintaining genetic diversity
Journal of Animal Breeding and Genetics, 2016 SummaryWe have evaluated the use of genomic coancestry coefficients based on shared segments for the maintenance of genetic diversity through optimal contributions methodology for populations of three different Austrian cattle breeds. This coancestry measure has been compared with the genomic coancestry coefficient calculated on a SNP‐by‐SNP basis and ...
Gómez-Romano, F. +6 more
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1987
We can now evaluate the coancestry between specific relatives. Consider first the coancestry between an individual and one of its offspring, f(PO). If A and B are the parents of C, fAC is an example of a parent-offspring coancestry coefficient. From Eq. (25.5), $${f_{AC}} = \left( {1/2} \right)\left( {{f_{AA}} + {f_{AB}}} \right).$$
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We can now evaluate the coancestry between specific relatives. Consider first the coancestry between an individual and one of its offspring, f(PO). If A and B are the parents of C, fAC is an example of a parent-offspring coancestry coefficient. From Eq. (25.5), $${f_{AC}} = \left( {1/2} \right)\left( {{f_{AA}} + {f_{AB}}} \right).$$
openaire +1 more source