Heterosis without selectional coadaptation inDrosophila ananassae

  title={Heterosis without selectional coadaptation inDrosophila ananassae},
  author={Bashisth Narayan Singh},
  journal={Theoretical and Applied Genetics},
The relative viabilities of homozygous and heterozygous karyotypes were measured by making crosses between strains ofD. ananassae homozygous for ST or inverted gene orders in the second and third chromosomes. The strains utilized during the present study originated from widely separated localities in India, Kuala Lumpur and Kota Kinabaru, Malaysia and Chian Mai, Thailand. The presence of heterosis in many interpopulation crosses is evident from the results which show that the inversion… CONTINUE READING

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