The effects of inbreeding and The effects of inbreeding and crossbreeding upon development effectsofinbreed00jone Year: 1918 A THEORETICAL CONSIDERATION OF INBREEDING. 23 zygotes the reduction in the number of heterozygous elements proceeds as a variable approaching a limit by one half the differ- ence in each generation. The curve illustrating this condition is shown as No. 1 in Fig. I. Various formulae dealing with 100$ Percent of Heterozygous Individuals in Each Selfed Generation when the Number of Allelomorphs Concerned Are: 1,5,10,15. 10 Segregating Generations Figure I. The percent of


The effects of inbreeding and The effects of inbreeding and crossbreeding upon development effectsofinbreed00jone Year: 1918 A THEORETICAL CONSIDERATION OF INBREEDING. 23 zygotes the reduction in the number of heterozygous elements proceeds as a variable approaching a limit by one half the differ- ence in each generation. The curve illustrating this condition is shown as No. 1 in Fig. I. Various formulae dealing with 100$ Percent of Heterozygous Individuals in Each Selfed Generation when the Number of Allelomorphs Concerned Are: 1,5,10,15. 10 Segregating Generations Figure I. The percent of heterozygous individuals and the percent of heterozygous allelomorphic pairs in the whole population in each generation of self-fertilization. inbreeding have been discussed by East and Hayes ('12), Jennings ('12, '16), Pearl ('15) and Bruce ('17). It should be remembered that this reduction applies only to the whole population in which every member is inbred and all


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