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Studies on the superiority of double inversion heterozygotes in a laboratory population of drosophila nasuta


Caryologia 39(3-4): 359-364
Studies on the superiority of double inversion heterozygotes in a laboratory population of drosophila nasuta
In the natural populations of Drosophila nasuta, two independent gene arrangements, III-2 and III-35, in the third chromosome are very common and occur non-randomly. The double heterozygote combination is known to be superior to comparison to double homozygotes. A test has been carried out whether the double heterozygotes are also superior in the laboratory population kept at different temperatures. The present result demonstrates the superiority of double heterozygotes in the laboratory population. Further, it has been suggested that the low percentage of the double homozygotes is due to less viability of their carriers.

Accession: 006522204

DOI: 10.1080/00087114.1986.10797798

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