Summary
Diploid monohybrids of adenine 8 alleles were constructed to permit visual detection of meiotic gene conversion. In addition to the 3+:1 m and 1+:3 m tetrads routinely encountered, aberrant segregations comparable to the 5+:3 m and 3+:5 m patterns detected in octad ascomycetes were observed. These latter types are tetrads bearing ascospores which give rise to sectored ascosporal colonies.
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References
Emerson, S.: In genetic organization, vol. 1 (E. W. Caspari and A. W Ravin, eds.), New York: Academic Press 1969.
Esposito, M. S.: X-ray and meiotic fine structure mapping of the adenine 8 locus in Saccharomyces cerevisiae. Genetics 58, 507–527 (1968).
Roman, H.: In Methodology in basic genetics (W. Burdette, ed.). San Francisco: Holden-Day 1963.
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Communicated by G. Magni
This work was supported by NSF Grants GB-8564 and GB-27688.
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Esposito, M.S. Postmeiotic segregation in Saccharomyces . Molec. Gen. Genet. 111, 297–299 (1971). https://doi.org/10.1007/BF00433113
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DOI: https://doi.org/10.1007/BF00433113