Occasionally, Drosophila flies are born with curly wings.

Last updated: 7/8/2022

Occasionally, Drosophila flies are born with curly wings. Several of these unusual curly wing flies are crossed to one another with the following result: 522 curly wings, 266 normal wings. The mutation that causes curly wings probably: is recessive and semi-lethal in the heterozygote state is dominant and semi-lethal in the homozygous state is recessive and semi-lethal in the homozygous state is dominant and semi-lethal in the heterozygote state