Abstract
In maize, translocations with breakpoints closely linked to endosperm marker genes have been employed in the placement of new genes to chromosome. A series of waxy-marked reciprocal translocations was developed by E. G. Anderson (1943, 1956). These translocation stocks are homozygous for the waxy (wx) gene and for a translocation having one of its breakpoints in chromosome 9 not far from the wx locus. The other breakpoints are distributed among the other nine chromosomes. Crossing-over is suppressed in the region of the translocation and this increases the efficiency of linkage detection. These translocation strains, along with B-A translocation stocks (Beckett 1978, 1990; this volume), have been widely used by maize geneticists to determine the chromosomal placement of unlocated genes.
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References
Anderson EG (1943) Utilization of translocations with endosperm markers in the study of economic traits. Maize Genet Coop News Letter 17: 4–5
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© 1994 Springer-Verlag New York, Inc.
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Laughnan, J.R., Gabay-Laughnan, S. (1994). The Placement of Genes Using waxy-Marked Reciprocal Translocations. In: Freeling, M., Walbot, V. (eds) The Maize Handbook. Springer Lab Manuals. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-2694-9_29
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DOI: https://doi.org/10.1007/978-1-4612-2694-9_29
Publisher Name: Springer, New York, NY
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