The effect of parental age on sterno-pleural chaeta number in Drosophila melanogaster

SummaryAn experiment is presented which produced variation in sternopleural chaetae number related to the age of the parent flies thus giving results in accordance with those indicated by the changes in heritability described by Beardmore, Lints and Al-Baldawi (1975). It is shown, however, that this does not result from a direct effect of parental age on… CONTINUE READING