1. bred (an organism) with one of its parents or with an organism genetically similar to one of its parents
Usage: genetics; past tense of backcross

Examples

• The researchers backcrossed the hybrid plants with the original parent strain.
• Scientists backcrossed the modified mice to establish a pure breeding line.
• The corn variety was backcrossed multiple times to improve disease resistance.
• They backcrossed the offspring with the wild-type parent to confirm the genetic results.
• The laboratory backcrossed the mutant flies for six generations.
• Breeders backcrossed the new cultivar to enhance its drought tolerance.