1. Small fruit fly used by Thomas Hunt Morgan in studying basic mechanisms of inheritance
   - drosophila

Type of: fruit fly, pomace fly

Part of: genus Drosophila

Encyclopedia: Drosophila melanogaster

• one-seeded
• one-seventh
• one-sided
• one-sidedly
• one-sidedness
• one-sixteenth
• one-sixth
• one-sixtieth
• one-sixty-fourth
• one-size-fits-all
• one-spot
• one-step
• one-ten-thousandth
• one-tenth
• one-third
• one-thirty-second
• one-thousandth
• one-to-one
• one-track
• one-track mind
• one-trillionth
• one-twelfth
• one-two
• one-upmanship
• one-way