The bulletin of mathematical biophysics

, Volume 11, Issue 2, pp 59–82 | Cite as

Contribution to the linkage theory of autopolyploids: I

  • Hilda Geiringer
Article

Abstract

A theory of linkage of autopolyploids is developed under consideration ofm loci andr alleles. The simplifying assumption of chromosome segregation, which may be considered as an approximation to the more adequate theory of chromatid segregation, is made throughout. Random mating and distinct, non-overlapping generations are assumed. Under these assumptions the problem is determined by three basic probability distributions—the distributions of genotypes and of gametes, and the segregation distribution. The segregation distribution is assumed to be the same for males and for females. The aim of the paper is to establish recurrence formulas (which allow to find the distributions of gametes and of genotypes from generation to generation, if the distribution of genotypes for an initial generation is known) and to investigate the limit behavior of these distributions as the number of generations increases indefinitely.

In the present paper (hereafter referred to as I) the problem is explained, and the three characteristic distributions are introduced for the general case of a 2s-ploid,m loci, andr alleles. Recurrence relations are established for tetraploids,s=2 andm=2 loci, while the recurrence relations for the general case as well as the limit theorems will be given in the second part of this paper (hereafter referred to as II).

Keywords

Marginal Distribution Haldane Chromosome Segregation Marginal Probability Recurrence Formula 

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Copyright information

© The University of Chicago Press 1949

Authors and Affiliations

  • Hilda Geiringer
    • 1
  1. 1.Wheaton CollegeWheatonUSA

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