Abstract
Populations of the tunicate species Ciona intestinalis and Ascidiella aspersa were screened for electrophoretic polymorphism at various enzyme loci. Average heterozygosities are clearly related to population size as predicted by the neutral mutation hypothesis.
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Darnall, D. W., and Klotz, I. M. (1975). Subunit constitution of proteins: A table. Arch. Biochem. 166651.
Hopkinson, D. A., Mestriner, M. A., Cortner, J., and Harris, H. (1973). Esterase D: a new human polymorphism. Ann. Hum. Genet. 37119.
Nei, M. (1975). Molecular Population Genetics and Evolution, North-Holland, Amsterdam.
Nei, M., and Roychoudhury, A. K. (1974). Sampling variances of heterozygosity and genetic distance. Genetics 76379.
Nei, M., Fuerst, P. A., and Chakraborty, R. (1976). Testing the neutral mutation hypothesis by distribution of single locus heterozygosity. Nature 262491.
Ohta, T., and Kimura, M. (1973). A model of mutation appropriate to estimate the number of electrophoretically detectable alleles in a finite population. Genet. Res. Camb. 22201.
Schmidtke, J., Kunz, B., and Engel, W. (1978) Gene numbers and genic variability in Ciona intestinalis and Branchiostoma lanceolatum. Can. J. Genet. Cytol. 2061. (Erratum: Can. J. Genet. Cytol. 20:600, (1978).)
Selander, R. K., and Kaufman, D. W. (1973). Genic variability and strategies of adaption in animals. Proc. Natl. Acad. Sci. USA 701875.
Shaw, C. R., and Prasad, R. (1970). Starch gel electrophoresis of enzymes—A compilation of recipes. Biochem. Genet. 4297.
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This work was supported by the Deutsche Forschungsgemeinschaft.
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Schmidtke, J., Engel, W. Gene diversity in tunicate populations. Biochem Genet 18, 503–508 (1980). https://doi.org/10.1007/BF00484397
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DOI: https://doi.org/10.1007/BF00484397