Genetics Selection Evolution

Table 4 Features of the regression equation of genealogical coancestry f on the first estimator of Van Raden

From: A note on the rationale for estimating genealogical coancestry from molecular markers

Nb SNP	Nb replicates	Without linkage			With linkage
		a	b	R²	a	b	R²
p = 0.50
100	1000	0.09	0.57	0.36	0.09	0.48	0.30
10000	50	0.09	0.90	0.57	0.09	0.85	0.53
Expected values		0.0	1.0		0.0	1.0
p_i ~ Beta(1, 1)
100	1000	0.09	0.52	0.33	0.09	0.44	0.28
10000	50	0.09	0.90	0.59	0.09	0.90	0.58
Expected values		0.0	1.0		0.0	1.0

Intercept (a), slope (b) and coefficient of determination (R²) using the first estimator of Van Raden (expression 14), based on simulated data without and with linkage, when the distribution of allele frequencies in the founders is estimated from the data

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ISSN: 1297-9686

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