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KMID : 0364219810240010001
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Korean Journal of Zoology
1981 Volume.24 No. 1 p.1 ~ p.7
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Chromosomal Inversions in a Natural Population of Drosophila melanogaster
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Rim Nac-Ryong
Lee Byong-Soon
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Abstract
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1. A total of 969 flies were tested and 19 different inversions were found from the present samples collected three times at yearly intervals in an area. 2. Of the 19 polymorphisms, except for the six common paracentric types of cosmopolitan inversions, 13 were endemic. Among this latter group, one was X-chromosomal, 4 were on second chromosome and 8 on third chromosome. 3. Beside two overlapping inversions all the others were identified as single ones. And the inversion frequency on an average in every three samples tested was 38.9%. 4. The high distribution of the inversions apeared to the second chromosome suggests that a differential adaptive force may be present between the second and third chromosome.
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