Summary
The sterility of certainDrosophila pseudo-obscura/persimilis hybrid females is shown to be directly correlated with the genotype as a whole of thepseudo-obscura parent. Progressive alteration of the genotype by outcrossing resulted in increased fertility of the hybrids.
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Lamy, R. The genetic basis of sterility in someDrosophila hybrids. Journ. of Genetics 49, 120–125 (1948). https://doi.org/10.1007/BF02986829
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DOI: https://doi.org/10.1007/BF02986829