Abstract
To investigate the sex differences of crossing-over inRana japonica, the recombination frequencies between two linked loci,LDH-B andMPI, were examined in offspring obtained from 29 matings involving either females or males heterozygous at both loci. No recombinants were found among 303 offspring bred from 6 heterozygous males, whereas 160 were parental and 138 were recombinants among 298 offspring bred from 9 heterozygous females. The recombination frequency was 46.3%. These results show that the sex difference when two loci were recombined was marked and significant inRana japonica.
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Sumida, M., Nishioka, M. A pronounced sex difference when two linked loci of the Japanese brown frogRana japonica are recombined. Biochem Genet 32, 361–369 (1994). https://doi.org/10.1007/BF02426898
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DOI: https://doi.org/10.1007/BF02426898