Titlebook: Biometrical genetics; the study of continu Kenneth Mather,John L. Jinks Book 1971 Springer Science+Business Media New York 1971 chemistry.c

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Sources of variation: scales,cter of these two substitutions are equal, Aa being midway between the two homozygotes in its phenotype, and if the effect of substituting A for a is the same no matter which alleles are present at the other loci in the polygenic system, the variation associated with the A-a gene pair is entirely of