Article,

Isolation by Distance under Diverse Systems of Mating

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Genetics, 31 (1): 39-59 (January 1946)

Abstract

THE effects of restricted dispersion on the genetic properties of a continuous population have been treated mathematically in a previous paper (WRIGHT 1943a). The conclusions have been applied to the interpretation of observed local variability in a population of a plant, Linanthus Parryi (WRIGHT 1943b) and in one of an animal, Drosophila pseudoobscura (DOBZHANSKY and WRIGHT 1943). The mathematical treatment was based on the assumption of com- pletely random union of gametes within each neighborhood and thus would rarely be strictly applicable to actual cases. The purposes of the present paper are to compare the effects of various systems of mating within continuous pop- ulations, and to present a more accurate method than before for estimating from data an important theoretical quantity, N, the effective size of popula- tion of a “neighborhood” in the sense discussed below.

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