Abstract
Ovaries of an inbred line, L25, selected for large body size, were transplanted (at the third-instar larval stage) into hosts of a line, ES4, selected for small body size. The operated individuals were mated to males of the donor small line and produced two types of offspring: hybrids of the two lines and homozygotes of the ‘large’ line. Thorax and wing length measurements of the latter offspring group and of control ‘large’ line offspring were taken and compared. Statistical analysis of the data showed a significant. reduction in the thorax and wing size of female and in the wing size of male offspring from transplanted ovaries. This reduction, however, amounted to only 3 % of the size difference of the two lines.
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